Synopsis The purpose of this experiment was for students to prepare some simple organic compound and to purify the compound by recrystallisation. This experiment allowed the students to conduct the synthesis of aspirin‚ acquire the skills of recrystallisation using normal filtration and reinforce the technique of the melting point determination. The method used to synthesize aspirin was esterification by reacting salicylic acid with acetic anhydride with the presence of dehydrating agent‚ conc
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05/02/2009 Date Report Written: 08/02/2009 Synthesis of Acetyl salicylic acid (Aspirin) Abstract Introduction: The following report contains information on how to produce aspirin. The experiment has been carried out on a small laboratory scale. The experiment starts by combining such chemicals such as salicylic acid and acetic anhydride. The synthesis of aspirin is classified as an esterification reaction. This is a substitution reaction where the alcohol group from salicylic acid reacts
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Caso: BAYER AG CHILDREN´S ASPIRIN Integrantes silvia gutiérrez díaz ……...………………………………………...…………………….. A00259818 rodrigo garcía pérez ……..………….………………………….................................... A01060397 carlos axel costal domínguez …………………………………................................... A00664351 franz vidar romero gómez .…..………………………………..................................... A01061184 jorge h. viIlegas garcía ……….…………………………………....................
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Food Labels Compare and Contrast You are standing in the diary section of the grocery store‚ and in your hands is cottage cheese and mozzarella cheese. You are trying to pick the better food choice to meet your dietary needs. How do you know which one is the best choice? Well‚ the best way to know which of these two foods meets your dietary needs is by reading each items food label to see what nutrients they both contain. The first thing the food label tells you is the serving size of each food
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COLLEGE S6 Chemistry Name: Hramar ( 7 ) Experiment 7 : Analysis of commercial vitamin C tablet Title: Determination of the vitamin C content (ascorbic acid) of a commercial vitamin C tablet and compare the result with the value specified by the manufacturer. Theory : In this experiment‚ we have to determine the vitamin C content of a commercial vitamin C tablet which is the mass of ascorbic acid in the tablet. As iodine is a weak oxidizing agent used mainly for the determination of strong reducing
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PM 18 March‚ 2014 Objectives: In this Experiment‚ we will be decomposing KClO3 into two different compounds‚ KCl and O2. We are given a known mixture that has MnO2 in it to act as a catalyst. When decomposing KClO3 it releases O2 gas‚ which we then collect into the Erlenmeyer flask. The gas then displaces the water into the beaker‚ which we can then calculate the water evolved. The first method we use to determine the percent composition is Gravimetric. With this method we use the mass of the reactant
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Should Tablets Replace Textbooks? Today‚ there is a debate on whether schools should stay with classic textbooks‚ or take a more advanced approach and use tablets as a replacement for all textbooks. Many schools like Carmel are going about having every student own a tablet for class purposes. This is something that Warren Township High School should really consider. Every student at Warren‚ for many reasons‚ should own a tablet. There is no better substitute for textbooks than a tablet. Studies
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ability to function. Because this is such a broad definition‚ it’s best to think of the range of behaviors from normal to abnormal as A. statistical variations. B. entirely dependent on diagnostic assumptions. C. observable patterns. D. lying along a continuum. 4. Which of the following statements regarding the DSM-IV-TR is most accurate? A. The DSM-IV-TR offers therapists a firm foundation for estimating the degree to which a given individual is afflicted with a specified disorder. B. Critics agree
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Alex George-Hampton Hour: 3 Labels Some argue that labels are critical to language and communication. Labeling is describing someone or something in a short phrase or word. Labels can be used to represent good things‚ and help characterize people and things. All languages use labels‚ because without them it would be very difficult to describe certain people or things. When explaining what someone looks like its almost impossible to not use labels. Short‚ tall‚ skinny‚ fat‚ longhaired‚ pretty
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Compare and Contrast Lisa Connor COM/155 February 19‚ 2011 Dana Smith Compare and Contrast Scores of consumers are discussing the two well-known reading tablets called the Kindle Fire and the Nook Tablet. Shoppers are trying to determine which e-reader offers the best quality and features. After conducting an objective study‚ considerable elements were accurately established in relation to these products. The Kindle Fire and the Nook Tablet have many similarities; however‚ they show noticeable
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