Effects of Drug Use during Pregnancy on Children Essay Example for Free

Effects of Drug Use during Pregnancy on Children Essay Being pregnant means more than just carrying a child in uteri for nine months. Pregnant women must watch what they put into their bodies because it will directly affect the life of their unborn child. Unborn children are totally helpless to their mothers’ actions and totally dependent on everything they do. All pregnant women need to be aware of the consequences of using drugs during pregnancy; drugs such as, cocaine, heroin, cigarettes, methamphetamine, and marijuana. All drugs illegal or not could have critical and long lasting effects on children throughout their whole life. What are drugs? Drugs are chemicals that can make you change the way the body works. Some drugs are worse than others but no matter which one used, during pregnancy all drugs have dreadful effects on the unborn child. The drugs cocaine, heroin, tobacco/cigarettes, methamphetamines and marijuana can affect children in different ways; however, they all should be avoided during pregnancy. Mothers need to think about their unborn child and the adverse effects using drugs will have on them not only as infants but as young children and young adults as well. Cocaine is a strongly addictive stimulant that directly affects the brain. Cocaine is one of the oldest drugs known to this day (Barbara L. Thompson, 2009). There is no safe amount of cocaine for a woman who is pregnant because any cocaine taken will transfer to the baby as well (Drug Babies and the Effects of Drug Abuse During Pregnancy, 2011). Heroine is also a highly addictive drug and it is the most abused and fast acting of the opiate group. Heroine, processed from morphine, is derived from certain poppy plants. Heroin will cross over to the baby through the placenta and cause an unborn baby to be dependent on the drug. Tobacco/cigarettes are a non illicit drug and the most common drug used among pregnant woman. Tobacco products have been linked to low birth weight and Sudden Infant Death Syndrome. Methamphetamines are highly addictive substances with powerful central nervous system stimulant properties (Drug Babies and the Effects of Drug Abuse During Pregnancy, 2011). Methamphetamines are considered a major drug of abuse and can cause low birth weight, miscarriages and could lead to Sudden Infant Death Syndrome (Drug Babies and the Effects of Drug Abuse During Pregnancy, 2011). Marijuana is the most commonly abused illicit drug in America today. Women who use marijuana on a daily basis will operate at subliminal levels because it directly affects the way the brain works. When using marijuana during pregnancy the mother is more likely to have a miscarriage or a low birth weight baby. No matter which drug the mother is using it can be detrimental to the unborn baby’s health and should be avoided. Using drugs during pregnancy not only affects the baby a birth but it can affect that child for the rest of his/her life. The child can experience many difficulties in when he/she goes to school as well. Each drug is different and affects children differently. Cocaine may cause drug dependency and withdrawal symptoms at birth, as well physical and me ntal problems, especially if the mother used cocaine during the first three months of pregnancy. There is a higher risk of hypertension, heart problems, developmental retardation and learning difficulties (Gale A. Richardson, 2010). It has been reported that prenatal cocaine exposure is linked to cognitive and neuropsychological development and school functioning in 6 to 8 year olds (Gale A. Richardson, 2010). A baby who has been exposed to prenatal cocaine use by the mother is more likely to be irritable, jittery and have an irregular sleeping pattern, visual problems and problems with sensory stimulation (Drug Babies and the Effects of Drug Abuse During Pregnancy, 2011). During pregnancy cocaine crosses into the placenta and enters the baby’s blood circulation and will stay in the blood longer than it will the mother (Using Illegal Street Drugs During Pregnancy, 2008). Using cocaine during pregnancy increases the risk of having a miscarriage in the early stages of pregnancy. During the later part of pregnancy, using cocaine can cause placental abruption which could lead to severe bleeding, preterm birth and death of the unborn baby (Using Illegal Street Drugs During Pregnancy, 2008). Also babies who are exposed to cocaine during the later part of pregnancy may experience a dependence of the drug and may be required to be weaned off the drug at birth because the child can experience withdrawal symptoms (Joan Keegana, 2010). Symptoms include tremors, sleeplessness, muscle spasms, and feeding problems for the infant. Prenatal cocaine exposure has also been linked to behavior problems among the children in school, and aggression and shoddier attention and processing skills (Delaney-Black, 2010). For children of prenatal cocaine exposure life can be difficult, struggling in school at an early age may detour that child from continuing school when they are older to achieve his/her diploma. Also the children will have all sorts of behavior issues in school. Compared to children with no cocaine exposure, children who were exposed to cocaine had drastically more mother and teacher behavior problems throughout early elementary school (Gale A. Richardson, 2010). Children of older women who used cocaine during pregnancy also experienced more difficulties in school than children born to younger mothers who used cocaine (Gale A. Richardson, 2010). Children who are exposed to cocaine prenatally were also linked to be affected by weight and height, meaning children were smaller in weight and height categories compared to their peers. Cocaine is a very powerful drug and should not be used at all and more importantly should not be used during pregnancy. Cocaine use during pregnancy could be fatal for the unborn child and does not give him/her a fair chance at life. A pregnant woman needs to think about her unborn child before she does cocaine because her child could potentially have multiple problems in school and in life. The most important reason for a woman not to use cocaine during pregnancy is it could kill an unborn child. Heroine is classified as an opiate and travels the fastest of any drug into the baby’s blood stream when the mothe r is pregnant and used it (Joan Keegana, 2010). Like cocaine heroin is also very addictive and the baby once born can become dependent on this drug and have to be weaned off of it (Using Illegal Street Drugs During Pregnancy, 2008). Using heroin while pregnant can affect fetal development. Heroin use has been associated with an increased risk of miscarriage and premature birth, and babies may be born smaller than average and may be prone to illness (Barbara L. Thompson, 2009). The substances that are cut with heroin may also cause problems during the pregnancy and affect the developing fetus. Injecting heroin can increase the risk of both the mother and baby becoming infected with blood-borne viruses, such as hepatitis and HIV (Joan Keegana, 2010). Pregnant women who want to stop taking heroin need to be very careful. Sudden withdrawal from heroin may harm the baby and increase the risk of miscarriage, premature birth and stillbirth (Using Illegal Street Drugs During Pregnancy, 2008). If a mother continues to use heroin while breastfeeding, it is possible that the drug will be present in her milk and may have adverse effects on the baby. Babies of mothers who use heroin will have some long-term effects. Some children at three to six years of age children whose mothers were addicted to heroin were lower in weight and height compared to the other children whose mothers did not use heroin, and impaired in behavioral, perceptual and organizational abilities. Babies born with low birth weight have been shown to have many difficulties later in life such as, language learning disabilities, behavior problems, and children are more likely to be rejected by peers and performance in school may suffer and the children may need special education courses. Heroin is a very bad drug to be addicted too, not only because of the risks it presents on the person using it, but because it has an added risk of HIV because of all the needle sharing. Using heroin or any opiate should be avoided at all time for children’s sake. Methamphetamine use during pregnancy affects development of a babys, brain, spinal cord, heart and kidneys (Drug Babies and the Effects of Drug Abuse During Pregnancy, 2011). Methamphetamine use during pregnancy may result in prenatal complications, like premature delivery and birth deformities. High doses of the drug may cause a babys blood pressure to rise rapidly, leading them to suffer strokes or brain hemorrhages before birth (Barbara L. Thompson, 2009). Methamphetamine-exposed babies may experience gastroschisis and other problems with the development of their intestines (National Institutes on Drug Abuse, 2009). As a result of methamphetamine use by their mothers, some babies may suffer developmental and skele tal abnormalities and some babies are born without parts of their arms or legs (Joan Keegana, 2010). Because methamphetamine affects transmitters in the brain, babies often experience sleep disturbances and altered behavioral patterns (Drug Babies and the Effects of Drug Abuse During Pregnancy, 2011). These babies have been described as irritable babies. Full-term babies born to mothers who use methamphetamine will likely have difficulty sucking and swallowing, much like premature babies. Often babies born to meth-addicted women cannot tolerate stimuli such as human touch and light. These babies often display tremors and coordination problems (Using Illegal Street Drugs During Pregnancy, 2008). Babies whose mothers used methamphetamine during pregnancy may experience learning disabilities, growth and developmental delays (Methamphetamine use During Pregnancy, 2008). The effects of methamphetamine use on brain development may last for many years. School-aged children whose mothers used methamphetamine while pregnant are more likely to be hyperactive or to have attention deficit disor ders, learning disabilities and unprovoked fits of anger (Methamphetamine use During Pregnancy, 2008). When pregnant women use marijuana it crosses into the baby through the placenta. Marijuana contains toxins that keep the baby from getting the proper amount oxygen that the baby needs in order to grow normally (Using Illegal Street Drugs During Pregnancy, 2008). Marijuana use during pregnancy is one of the lesser bad drugs; however, it could still pose detrimental problems on the growing fetus (Using Illegal Street Drugs During Pregnancy, 2008). Babies born to women who used marijuana during their pregnancy display altered responses to visual stimulation, increased tremors, and a high-pitched cry, which could indicate problems with nervous system development (Joan Keegana, 2010). During preschool and early school years, children who have been exposed to marijuana have been reported to have more behavioral problems and difficulties with sustained attention and memory than children who were not exposed (Joan Keegana, 2010). Because some parts of the brain continue to develop into adolescence, it is also possible that certain kinds of problems will become more evident as the child matures (Drug Babies and the Effects of Drug Abuse During Pregnancy, 2011). Pregnant women should not to use any drugs because they might harm the growing fetus. Although one animal study has linked marijuana use to loss of the fetus very early in pregnancy, two studies in humans found no association between marijuana use and early pregnancy loss (Barbara L. Thompson, 2009). Regardless of the situation, mothers should not smoke marijuana because of the possibilities of it causing harm of the baby. Tobacco is the most commonly drug used among women who are pregnant because the quit rate is surprisingly low. Only twenty percent of woman who smoke will quit smoking completely during their pregnancy (Vanessa E Murphy, 2010). Women who are heavy smokers are less likely to quit as well. Smoking during pregnancy can cause premature birth and can cause the baby to be little. Smoking while pregnant is also linked to placenta previa, placenta abruption and sudden infant death syndrome (Drug Babies and the Effects of Drug Abuse During Pregnancy, 2011). While smoking tobacco has long been linked to poor growth in a fetus and other short-term effects, it also has long-term effects on a baby whose mother smoked during the pregnancy. Only about twenty percent of women smokers who become pregnant quit (Drug Babies and the Effects of Drug Abuse During Pregnancy, 2011). With all of the health effects that tobacco can have on both baby and mother, pregnant women who smoke are advised to try and quit for their own health and the health of their child (Miles, 2009). Children born to mothers who smoke tobacco tend to be more impulsive and have more trouble learning and developing. Infants whose mothers smoked while they were in the pregnant are more likely to exhibit lower scores on mental tests at age one and to have lower grades overall during the school years than children whose mothers who did not use tobacco (Vanessa E Murphy, 2010). The risk of a learning disability, such as dyslexia, rises twenty-five percent in children whose mothers smoked a pack or more of cigarettes a day. Babies born to smokers may also have lifelong birth defects that impede mental development, such as cerebral palsy or mental retardation (Miles, 2009). Those whose mothers smoked moderately or heavily during pregnancy were over four times as likely to develop type two diabetes; also called adult onset diabetes, before the age of 33, which is considered an early age for developing this type of diabetes. The children of mothers who smoke are also more likely to become obese later in life. There is also a link between fetal exposure to tobacco smoke and future risk of cardiovascular disease (Vanessa E Murphy, 2010). Children who were exposed to tobacco smoke as a fetus are more likely to develop hypertension, or high blood pressure, than the children of women who did not smoke during pregnancy (Miles, 2009). This increase was originally thought to be correlated to the low birth weight typical of babies whose moms smoked during pregnancy, but when compared with children of similar birth weight, the smokers children had higher blood pressure at ages five and six than other kids. Mothers who smoke tobacco while pregnant may also affect their babys brain in ways that last a lifetime. These children are more likely to engage in criminal behavior and to abuse drugs than the children of women who did not smoke while pregnant (Drug Babies and the Effects of Drug Abuse During Pregnancy, 2011). Overall, mothers who are pregnant should not use any type of drug from illicit to non illicit because they can all have detrimental consequences on the growing baby, not just in the womb but later in life as well. Work Cited * Barbara L. Thompson, P. L. (2009). Prenatal exposure to drugs: effects on brain development and implications for policy and education. National Institutes of Health , 10 (4), 303-312. * Delaney-Black, V. (2010). Prenatal and Postnatal cocaine exposure predict teen cocaine use. Neurotoxicology and Teratology , 110-119. * Drug Babies and the Effects of Drug Abuse During Pregnancy. (2011). Retrieved May 19, 2011, from The Good Drugs Guide: www.thegooddrugsguide.com * Gale A. Richardson, L. G. (2010). Prenatal cocaine exposure: Effects on mother-and teacher-rated behavior problems and growth in school-age children. Neurotoxicology and Teratology , 69-77. * Joan Keegana, M. P. (2010). Addiction in Pregnancy. Journal of Addictive Diseases , 29 (2), 175-191. * Methamphetamine use During Pregnancy. (2008, October). Retrieved May 19, 2011, from North Dakota Department of Health: www.nddh.com * Miles, M. (2009). Challenges for midwives: pregnant women and illicit drug use. Australian Journal of Advanced Nursing , 28 (1), 83-90. * National Institutes on Drug Abuse. (2009). Retrieved May 18, 2011, from National Institutes of Health: www.nida.nih.gov * Using Illegal Street Drugs During Pregnancy. (2008, October). Retrieved May 19, 2011, from American Pregnancy Association: www.americanpregnancyassociation.org * Vanessa E Murphy, V. L. (2010). The effect of cigarette smoking on asthma control during exacerbations in pregnant women. Thorax , 739-744.

Abortion :: essays research papers

Abortion, termination of a pregnancy before birth, resulting in the death of the fetus. Some abortions occur naturally because a fetus does not develop normally or because the mother has an injury or disorder that prevents her from carrying the pregnancy to term. This type of spontaneous abortion is commonly known as a miscarriage. Other abortions are induced—that is, intentionally brought on—because a pregnancy is unwanted or presents a risk to a woman’s health, or because the fetus is likely to have severe physical or mental health problems. Induced abortion, the focus of this article, is one of today’s most intense and polarizing ethical and philosophical issues. Modern medical techniques have made induced abortions simpler and less dangerous. But in the United States, the debate over abortion has led to legal battles in the courts, in the Congress of the United States, and state legislatures. The debate has spilled over into confrontations, which are sometimes violent, at clinics where abortions are performed. This article discusses the most common methods used to induce abortions, the social and ethical issues surrounding abortion, and the history of the regulation of abortion in the United States. II Abortion Methods Print Preview of Section Induced abortions are performed using drugs or surgery. The safest and most appropriate method is determined by the age of the fetus, which is calculated from the beginning of the pregnant woman’s last menstrual period. Most pregnancies last an average of 39 to 40 weeks. This period is divided into three stages known as trimesters. The first trimester consists of the first 13 weeks, the second trimester spans weeks 14 to 28, and the third trimester lasts from the 29th week to birth.

Courts of the Tampa Bay Area

This study involved visiting courtrooms and observing the court proceeding. I was to follow several cases and evaluate everyone’s behavior in the courtroom. During this period I visited two courtrooms, Criminal Justice Center at 14250 49th Street North Clearwater, FL 33762 and the 501 building in St. Petersburg at 501 1st Avenue North St. Petersburg, FL 33701. I visited the courtrooms on several occasions. Case observations On June 16 2010, I visited the criminal Justice center at 14250 49th street North Clearwater, FL 33762, at 2 pm. At the entrance of the courtroom there was screening.Mobile phones were not allowed in the courtroom so they were to be left at the reception desk. It was not difficult getting into the courtroom as only photo identification was required. The room was half full and so finding a sitting position was easy. It was a criminal case, where Mr. George Warren, the accused, was a suspect in a robbery at the bay harbor pool room. The Judge was Justice Earl Logan. The mood of the court was rather relaxed. The judge was calm and followed keenly. On several occasions the judge was very active, especially where the attorneys had heated arguments.The judge had to intervene and restore order in the room. As I learnt later that the proceeding was not open to the journalist and this is the reason I attracted some attention from a juror, as I took some notes. The attorneys showed a great deal of respect to their client although the plaintiff’s attorney was very intimidating. The judge did not take this lightly and cautioned the attorney against such action. The defendant’s attorney defended his client against such intimidation aggressively. He refused to allow his client to be asked questions revolving around his personal life except where they were relevant .They attorneys sought the judge’s intervention where they felt that their client was being harassed. The judge asked the clients questions where he felt was necessar y, or ordered them to answer questions if the chose to remain silent. The defendant and his attorney were active while the plaintiff appeared relaxed. This is because the evidence that was brought before the court was very strong and could earn him more than five years imprisonment. The defendant was a clerk and frequented the pool room. Both of them seemed to follow and understand the proceedings.The defendant was however very careful when answering the questions because he would take some time before replying. The disposition of the case was that the defendant was not guilty. This is because he was found near the site with some pints of wine and some change in his pocket. The evidence produced was not substantial and enough for the defendant to face any sentence. The witnesses who testified in the case did give any information that linked the defendant to the crime. The plaintiff failed to convince the court that the accused was indeed the thief.There was no finger print match and the defendant had an evident alibi. During the time of theft the defendant was at another local joint drinking. The time spent on the case was not long but was enough because there was no enough evidence to imprison the defendant. The disposition of the case was fair. There was clear evidence that the defendant was not involved in the crime, and if there was the plaintiff failed to produce it. According to the law the defendant was supposed to be set free until or unless there was more clear evidence . Analysis The courts precinct was calm.There was a serious security check for mobile phones, cameras and any form of weapons. This case was not open to the media and this is the reason why they were so strict on the issue of any cameras or recording material. This was also a security to ensure the safety of everyone in the courtroom. Being an afternoon during a working day most people were at their places of work and so most of those in the room were close to the clients. The mood was relaxed. The case had little tension and this is the reason why the judge appeared calm although he was very attentive.In some instances the clients chose not to answer questions and the judge had to intervene and force them to answer the questions. This is because the evidence tabled was not enough and any information that the judge felt was relevant had to be given . The attorneys were however very aggressive, each trying to defend the evidence produced by their clients. The plaintiff showed no signs of providing more evidence against the defendant and relied solely on the fact that the defendant was found close to the crime scene when the police were called.The defendant claimed that he had just left another drinking joint and was on his way home. This case was very sensitive and the judge had to take note of all the important details and ask questions where clarification was needed, failure to which a wrong judgment would have been made . He was able to prove his claims to the court. The fingerprints from the crime scene did not match his, clear evidence that he was just a case of mistaken identity. This made the proceedings very quick and the hearing and the proceedings did not take a long duration.The evidence produced by the plaintiff did not link directly to the defendant. The could only prove that he was a suspect because he had some pints of wine and also being near the pool room but no proof of his presence in it. The comparison The courtrooms I visited had some differences and similarities. For example in some courtrooms you were allowed to access the room with a mobile phone but it should remain switched off, while in others one was supposed to leave any electronic gadget or anything that could cause harm at the reception.This is especially in those cases that had restrictions to the media. Search for weapons was inevitable for security reasons. The judges had different reactions and moods depending on the case. If the case had a lot of pressure there were heated arguments and the judge and the judges were very active. They would ask questions in some instances. In other cases the rooms had a bored mood and the judge could even fall asleep. The judge would remain uninvolved in the case. I observed this in a civil case the 501 building in St. Petersburg at 501 1st Avenue North St.Petersburg, FL 33701 on June 11 2010. The suit was filed woman and her former husband and the dispute involved the sharing of the family property. They had recently divorced and the husband decided the wife could only get a third share of the property. Unlike the first case where the judge was actively involved by asking question and seeking clarification, in this case the judge listened quietly without intervention. The judge only took down a few notes and the rest of the time he just watched and listened . The facts and evidence produced were so obvious.Those who followed the proceedings were also very bored. The disposition of this case was that the property in question was to be shared equally between the couple. The disposition of this case was so obvious and thus the quiet mood in the room. The attorneys were also very calm and did not show much aggressiveness like in the first criminal case. The only client who appeared active was the plaintiff, who on several instances had to be warned by the judge about her explosive behavior. In other instances accessing a courtroom could be very difficult.Only those involved in the case are allowed to access them. On the 17th May 2010, I attended the 501 building in St. Petersburg at 501 1st Avenue North St. Petersburg, FL 33701, where the case involved a limited company and a former employee. Only those who were involved in this case were allowed in. I however managed to convince the security team that I was a law student conducting a research and was allowed in. The restrictions were in favor of the company’s public image, which was a leading company globally and could not risk the integrity. The judge looked serious and very involved.The room had very few people and tension was high. The attorneys were very aggressive and the judge was actively involved. The Jury followed the proceedings very attentively. The defendant was accused of violating the rights of the plaintiff a former employee in it, where the plaintiff was forced to work for more hours and was fired without any definite reason. Like in the first case, the judge listened attentively and asked questions during the proceedings. The questions were to clarify the issues that could be relevant in determining the case .The reasons stated by the defendants for their action was that the plaintiff was unproductive at work and showed some negative attitude. The defendant managed to convince the court on the negative attitude of the plaintiff but failed to prove his unproductiveness. The defendant claimed that on particular occasion the plaintiff did not report to work and had no reason a claim refu ted by the defendant. Some records that showed the employees attendance were missing; they could have been some crucial evidence. The disposition of this case was that the defendant was guilty.They were to pay the plaintiff an amount that was to be discussed by their attorneys. Unlike the first two cases this case took one month to be decided. The hearing was made on the 25th June 2010. I attended all the three proceedings. The second proceeding was on the 4th June 2010. The fourth case was at the criminal Justice center at 14250 49th street North Clearwater, FL 33762. In this case the plaintiff was a young man who was assaulted by a security guard, the defendant, at a public facility. The hearing was held on July 12 2010. This case proceeding was open to everyone and the courtroom was very crowded.There was the usual security check but not many restrictions. Security checks are a must at all the court entrances but the restrictions depend on the case and those who are involved. The judge was active. Her name was Justice Rene Raymond. The attorneys were very active with instances of heated arguments like in the first and third case. The security guard claimed that the young man was disturbing the public. The evidence brought before the court and from the witnesses showed that the plaintiff had actually caused commotion in the public facility.The issue in this case was the assault. The judge argued that the plaintiff had actually caused disturbance to the people and thus the reason for the assault. Therefore the plaintiff lost the suit. This disposition was fair. There were similarities in these cases in that in most of the criminal cases the judges were very active since the involved so many details that had to be unveiled and clarified so as to make a sound judgment. The crowding of the courtrooms however varied. The dispositions were based on the evidence produced and not just mere claims.This is because in a law court everything said should be proved and a judge should not base the decision on blank claims. Conclusion The research shows that every case proceeding has its own procedures although others are similar. The issue of security is emphasized in all courts. In some cases members of the public are restricted, while others are open to everyone. The mood and involvement of the judge and the courtroom in general depends on the case. Some cases have so much pressure that the judge is very active and attentive. The decisions are based on the evidence produced before the court.REFERENCES Heumann, M. (1981). Plea Bargaining: The Experiences of Prosecutors, Judges, and Defense Attorneys. Chicago: University of Chicago press. Samuelson, P. (1984). Good Legal Writing: of Orwell and Window Panes. University of Pittsburgh Law Review 149 retrieved on July 12 2010 from http://people. ischool. berkeley. edu/~pam/papers/goodwriting. html Mauk, D. & Oakland, J. (2005). American civilization: an introduction. New York, NY: Routledge. Carmen, R. V . (2009). Criminal Procedure: Law and Practice. . Florence: Wadsworth Publishing

Case Study 6 Sigma Manufacturing Process - 1419 Words

Abstract:- This case study is about 6 sigma manufacturing process by which continuous improvement of the product is done. Mainly the 6 sigma is about improving the quality, In order to identify defects or errors. By using 6 sigma 99.9% the defect will not be there in the product. 6 sigma uses quality management and structural methods. The customer satisfaction can be increased by using this, production cycle can be reduced, reduction of waste and reducing the cost of the project. Introduction:- 6 sigma is defined as the measure of perfection from deviation and measurement of defects in the process. Mainly the 6 sigma measures the deviation of the process from the quality. It is a†¦show more content†¦The process need to be planned and it should be satisfied by the customer. Employee:- This process deals with leadership commitment where all the employees in the company are well trained and focused on the project in order to satisfy the customers. Training programme:- The employees are trained in statistical tools, strategy and 6 sigma techniques. There are various training programme levels which are as follows:- 1. Quality seminars:- The quality seminar based on overview and basic sigma awareness programme. The techniques of the 6 sigma are explained to each and every employee. 2. Training the team:- The teams are divided according to functioning of the project who are participating in the project. Team management:- The teams are divided according to the qualification and talent of the employees. There are three types of groups or belts according to the 6 sigma, they are:- 1. Black belt:- Who are the team leaders of the project, used for designing and implementing the quality approach. 2. Green belt:- The employees who work for the company part-time only. 3. Master black belt:- These employees are like teachers to the project. 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How To Calculate Avogadros Number Experimentally

Avogadros number isnt a mathematically derived unit. The number of particles in a mole of a material is determined experimentally. This method uses electrochemistry to make the determination. You may wish to review the working of electrochemical cells before attempting this experiment. Purpose The objective is to make an experimental measurement of Avogadros number. Introduction A mole can be defined as the gram formula mass of a substance or the atomic mass of an element in grams. In this experiment, electron flow (amperage or current) and time are measured in order to obtain the number of electrons passing through the electrochemical cell. The number of atoms in a weighed sample is related to electron flow to calculate Avogadros number. In this electrolytic cell, both electrodes are copper and the electrolyte is 0.5 M H2SO4. During electrolysis, the copper electrode (anode) connected to the positive pin of the power supply loses mass as the copper atoms are converted to copper ions. The loss of mass may be visible as pitting of the surface of the metal electrode. Also, the copper ions pass into the water solution and tint it blue. At the other electrode (cathode), hydrogen gas is liberated at the surface through the reduction of hydrogen ions in the aqueous sulfuric acid solution. The reaction is:2 H(aq) 2 electrons - H2(g)This experiment is based on the mass loss of the copper anode, but it is also possible to collect the hydrogen gas that is evolved and use it to calculate Avogadros number. Materials A direct current source (battery or power supply)Insulated wires and possibly alligator clips to connect the cells2 Electrodes (e.g., strips of copper, nickel, zinc, or iron)250-ml beaker of 0.5 M H2SO4 (sulfuric acid)WaterAlcohol (e.g., methanol or isopropyl alcohol)A small beaker of 6 M HNO3 (nitric acid)Ammeter or multimeterStopwatchAn analytical balance capable of measuring to nearest 0.0001 gram Procedure Obtain two copper electrodes. Clean the electrode to be used as the anode by immersing it in 6 M HNO3 in a fume hood for 2-3 seconds. Remove the electrode promptly or the acid will destroy it. Do not touch the electrode with your fingers. Rinse the electrode with clean tap water. Next, dip the electrode into a beaker of alcohol. Place the electrode onto a paper towel. When the electrode is dry, weigh it on an analytical balance to the nearest 0.0001 gram. The apparatus looks superficially like this diagram of an electrolytic cell except that you are using two beakers connected by an ammeter rather than having the electrodes together in a solution. Take beaker with 0.5 M H2SO4 (corrosive!) and place an electrode in each beaker. Before making any connections be sure the power supply is off and unplugged (or connect the battery last). The power supply is connected to the ammeter in series with the electrodes. The positive pole of the power supply is connected to the anode. The negative pin of the ammeter is connected to the anode (or place the pin in the solution if you are concerned about the change in mass from an alligator clip scratching the copper). The cathode is connected to the positive pin of the ammeter. Finally, the cathode of the electrolytic cell is connected to the negative post of the battery or power supply. Remember, the mass of the anode will begin to change as soon as you turn the power on, so have your stopwatch ready ! You need accurate current and time measurements. The amperage should be recorded at one minute (60 sec) intervals. Be aware that the amperage may vary over the course of the experiment due to changes in the electrolyte solution, temperature, and position of the electrodes. The amperage used in the calculation should be an average of all readings. Allow the current to flow for a minimum of 1020 seconds (17.00 minutes). Measure the time to the nearest second or fraction of a second. After 1020 seconds (or longer) turn off the power supply record the last amperage value and the time. Now you retrieve the anode from the cell, dry it as before by immersing it in alcohol and allowing it to dry on a paper towel, and weigh it. If you wipe the anode you will remove copper from the surface and invalidate your work! If you can, repeat the experiment using the same electrodes. Sample Calculation The following measurements were made: Anode mass lost: 0.3554 grams (g)Current(average): 0.601 amperes (amp)Time of electrolysis: 1802 seconds (s) Remember:One ampere 1 coulomb/second or one amp.s 1 coulombThe charge of one electron is 1.602 x 10-19  coulomb Find the total charge passed through the circuit.(0.601 amp)(1 coul/1amp-s)(1802 s) 1083  coulCalculate the number of electrons in the electrolysis.(1083 coul)(1 electron/1.6022 x 1019coul) 6.759 x 1021  electronsDetermine the number of copper atoms lost from the anode.The electrolysis process consumes two electrons per copper ion formed. Thus, the number of copper (II) ions formed is half the number of electrons.Number of Cu2  ions  ½ number of electrons measuredNumber of Cu2  ions (6.752 x 1021  electrons)(1 Cu2  / 2 electrons)Number of Cu2  ions 3.380 x 1021  Cu2  ionsCalculate the number of copper ions per gram of copper from the number of copper ions above and the mass of copper ions produced.The mass of the copper ions produced is equal to the mass loss of the anode. (The mass of the electrons is so small as to be negligible, so the mass of the copper (II) ions is the same as the mass of copper atoms.)mass loss of electrode mass of Cu2  ions 0.3554 g3.380 x 1021  Cu2  ions / 0.3544g 9.510 x 1021  Cu2  ions/g 9.510 x 1021  Cu atoms/gCalculate the number of copper atoms in a mole of copper, 63.546 grams.Cu atoms/mole of Cu (9.510 x 1021  copper atoms/g copper)(63.546 g/mole copper)Cu atoms/mole of Cu 6.040 x 1023  copper atoms/mole of copperThis is the students  measured  value of  Avogadros  number!Calculate percent error.Absolute error: |6.02 x 1023  - 6.04 x 1023  | 2 x 1021Percent error: (2 x 10 21 / 6.02 x 10 23)(100) 0.3 %

Personality Testing For Select Employees - 1710 Words

Organisational Behaviour MGMT1135 Assignment 2 By Henry Mony de Kerloy Introduction â€Å"Personality refers to the relatively stable pattern of behaviours and consistent internal states that explain a person’s behavioural tendencies.† (Mcshane, Travaglione, 2005) In the past the use of personality testing to select employees was looked down upon and thought to not be an accurate predictor of an employee’s job performance, however with increased confidence in how personality is defined (The Five Factor Model) experts are starting to recognize the usefulness of personality tests in predicting work performance (Hurtz, Donovan, 2000). Agreeableness, which is a part of the Five Factor Model, is an important trait in employees ability to interact†¦show more content†¦Review What is Agreeableness? The Five Factor personality Model (FFM), of which Agreeableness is a part, is a, â€Å"hierarchical organization of personality traits in terms of five basic dimensions: Extraversion, Agreeableness, Conscientiousness, Neuroticism, and Openness to Experience.† (McCrae, John, 1998) The FFM is a widely used model for defining the dimensions of personality. In this essay I will be focusing in on the dimension of Agreeableness and the effect of how agreeable an employee is affects their performance in a job, which has a lot of interpersonal interactions. Traits commonly associated with Agreeableness â€Å"include being courteous, flexible, trusting, good-natured, cooperative, forgiving, soft hearted and tolerant.† (Barrick, Mount, 1992) Is Agreeableness indicative of high job performance in a customer service setting? Employees in customer service jobs and jobs where people have to deal with social interactions, such as retail businesses, have to be able to get on with the customer and have a lot of interpersonal interactions with them. If they want to be good at their job and have a high job performance they will have to deal with the wide range of different customer personalities, all the while doing it in a warm, courteous and good natured way. All of which are traits of a person who is highly agreeable. Thus, â€Å"Agreeableness will be positively related to performance in jobs involving interactions with others.† (Mount, Barrick,

What are the key issues deciding to purchase for zara internally and externally free essay sample

Speed and responsiveness to Market, Zara has changed the way clothing industry works where deigning, production and delivery to the retailers requires period of six months. The design and distribution cycle of the company takes just 10-15days in the whole process. Zara’s speed to market in product development exceeds the capabilities of its competitors. This in itself provides additional value to stakeholders, customers, and stores in producing quality clothing at affordable prices. The proximity of their manufacturing and operational processes allows Zara to maintain the flexibility necessary to design and produce over 12000 new items annually. This capability allows Zara to achieve their strategy of expedited response to consumer demand. The process of obtaining market information and relaying it to design and production teams expedites product development by shortening the throughput time of their products from design to store. Dependability Due to Zara’s ownership and control of production, they ensure timely delivery and service. We will write a custom essay sample on What are the key issues deciding to purchase for zara internally and externally or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Although most of their stores run out of stock, signifying that they have low dependability in terms of product availability, another perspective of dependability in terms of keeping to date with fashion is achieved. Quality Zara brand has been said to be ‘synonymous with the cutting edge of fashion at affordable prices. ’ (123helpme. com, 2008) Another Quality advantage is the added sense of quality to the product as the tags would be labelled with â€Å"made in Europe† rather than â€Å"made in China† due to Zara’s trade-off between Low labour costs in Asia and operational efficiency. Flexibility: Designers (of average age 26) draw the design sketches then discuss it with market specials and planning procurement staff illustrating a flexibility of ideas generation and on the other hand the huge number of designs reflects the ability to meet almost all the fashion requirements by customers of all ages (up to 55). This adaptive model rather than traditional merchandising is very different from its competitors. Many competitors rely on a small elite design team that plans both design and production needs well in advance. Stores have little autonomy in deciding which products to display or put on sale because Headquarters plans accordingly and ships quantities as forecasted. Zara owned many of the fabric dying, processing and cutting equipment that provided Zara added control and flexibility to adopt new trends on demand. The added flexibility helped Zara on two fronts: shorter lead times and fewer inventories. (OPPapers. com, 2009) Cost: Zara produces most of its products in Europe. Compared to their competitors, they outsource very little to Asia [6] . Though the cost of production in Spain is 17-20% more expensive than Asia, Zara does have a competitive advantage over its competitors in regards to operations. Though there is a cost advantage in their approach in regards to labour, the lack of flexibility in changing orders based on current trends hinders their operational efficiencies. Inventory costs are higher for competitors because orders are placed for a whole season well in advance and then held in distribution facilities until periodic shipment to stores. Lower inventory cost is a key sustainable advantage as it enables Zara to manufacture and sell its products at cheaper prices. A case study analysis of Zaras Operations Strategy Zara is the largest division and flagship brand of the Spanish retail group Inditex [1] . It sells up-to-the-minute ‘fashionability’ at low prices, in stores that are clearly focused on one particular market. (Slack, Chambers, Betts, Johnson, 2006) The first store opened by accident in 1975 due to a large pyjamas order cancellation. This typically can be said to be an emergent strategy as the Zara store today was not an intended strategy. [2] As described in a case study of Zara’s supply chain, the company is vertically integrated, controlling most of the processes in its supply chain. On the average, 50% of its products are manufactured in Spain, 26% in the rest of Europe and 24% in Asian countries. Zara outsources products of high labour intensive processes but maintains in-house capital intensive processes, protecting knowledge and know-how. It takes less than two weeks for a skirt to get from Zaras design team in Spain to a Zara stores in any part of the globe, as much as 12 times faster than the competition. And with shorter lead times, Zara can ship fewer pieces, in a greater variety of styles, more often and they can more easily cancel lines that dont sell as well, avoiding inventory backlogs. (Upadhyay, 2009) Zara’s quick response capacity is made possible by the fact that it controls the 3 main stages of its operations that define the competitive edge of the company: design, manufacturing and distribution. This strategy is embraced to focus on the operations which can enhance cost efficiency while boosting service delivery and value proposition. As a fashion imitator, Zara ‘s priority was to focus its attention on understanding the dynamic fashion trends, aligning these changes to meet its customers’ wants rather than on promoting predicted seasons trends via fashion shows and similar channels of influence, which the fashion industry traditionally used. Other production activities are completed via a network of about 500 subcontractors in close proximity to Zara’s operations at La Coruna. Mr. Ortega the CEO of the Inditex, the parent company of Zara, once said that the secret to retail success is to have five fingers touching the factory and five touching the customer. (Slack Lewis, Operations Strategy, 2008) This paper uses the models and frameworks of the Operations Strategy module to describe analyze how Zara’s operations strategy led to a sustainable competitive advantage in the global apparel industry. 2 Introduction Zara is the flagship brand of the Spanish retail group, Inditex SA, one of the super-heated performers in a soft retail market in recent years. The first Zara shop opened its doors in 1975 in La Coruna, GaliciaSpain, the city that saw the Groups early beginnings and which is now home of its central offices. Its stores can now be found in the most important shopping districts of more than 400 cities in Europe, the Americas, Asia and Africa. With year-on-year sales increasing at around 25% over the last 5 years, it has become one of the world’s fastest growing retailers. As of late last year, Zara had 350 shops in Europe, 18 in the Middle East, 52 in the Americas and five in Asia. With roughly 40% of Inditex shops, Zara brings in about 80% of the groups revenue.(Zara founder makes a mint, 2001) As retailers like Marks Spencer and Gap join retailers in reporting falling profits, what makes a Spanish retailer to announce profit and Growth and assume this post as forthcoming leader in the fashion retail industry? What Ortega, the founder of Inditex, saw that others didn’t see? What is Zara Business Model? What is Z ara strategy? What are the factors behind the success of Zara? How scalable its model is? What are the challenges? How Zara would cope with the challenging environment of fashion retail business faced nowadays by the leaders in this industry? Amancio Oretga thought that customer would regard clothes as perishable commodity – no different from yogurt or bread- to be consumed rather than stored in closets, and has gone about building a retail business that provides â€Å"freshly baked clothes â€Å". By Focusing on apparel as product for consumption Zara compete on speed. This business is all about reducing response time. In fashion stock is like food it goes bad quickly. So, Zara concentrates on three winning formulas: Offering fashionable variety with limited supply at affordable price (cost) with a quick response to market.(Devangshu Dutta 2002) 3- Zara Vertical integrated Supply Chain An efficient supply chain is becoming more and more key success factor for companies. Henry Ford assembly line was the event of mass industrial production. Is supply chain management the new differentiation for companies? According to McMillan and Mullen (Operations Management Vol-2, 2002), â€Å"the purpose of SCM is to integrat e all tasks associated with the bi-directional flow of materials, information and finance into organized, coherent, managed processes in order to provide end-to-end management and control. †