Introduction Table of Contents Introduction Materials Chemicals Equipment Safety Containers Measuring Devices Other Equipment Procedure Synthesis of Aspirin Crystalizing the Aspirin Recrystallizing the Crude Aspirin Finding the Melting Point Range Safety Precautions Acetic Anhydride Sulphuric and Salicylic Acid Heating Observations Mass of Aspirin Synthesized Melting Point Calculations Percentage Yield Maximum Yield Crude Product Final Product Melting Range Percentage
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Lab Questions: Lab #4 * Why are the chloroplasts traveling along the outer perimeter of the Elodea cell? The chloroplast are traveling along the outer perimeter to help move the vital nutrients thought the cells and convert them to substances used in the cell of the elodea cell. * What is the typical size difference between animal cells and bacterial cells? One of the main difference between an animal cell and a bacterial cell is a bacterial cell contains a plasmid‚ a ring of DNA‚ opposed
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Title: That immediate past experiences of being presented with either images of animals or faces influence what the subject perceives in the ambiguous figure in that if presented with animals‚ the subject would see a rat‚ and subjects shown the faces will see a man’s face. Abstract: The primary purpose of this activity was to investigate immediate past experiences and how they play a part in visual perception. The basic method involved participants being divided into three pairs to be tested
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Flame Test Laboratory Report Introduction The purpose of this lab is to observe and identify metallic ions‚ using flame tests. The traditional flame test originated when Robert Bunsen invented the Bunsen burner to test two new alkali metals he and his partner had discovered. “A flame test is an analytic procedure used in chemistry to detect the presence of certain elements‚ primarily metal ions‚ based on each element’s characteristic emission spectrum” (Flame Test 1). Using this test‚ an element
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CHEM 2213 Lab 25 Title: The Detection of Fats‚ Proteins‚ and Carbohydrate in Foods Purpose: The purpose of this lab is to perform several general tests which help in identifying fats‚ protein‚ and carbohydrates in food. Procedure: Part A- Tests for Detecting Carbohydrates In this part you will conduct the molisch‚ benedict‚ and iodine tests. Purple in the molisch test indicates a positive test. Benedicts test will result in a brick red/brown color for a positive test. For the iodine tests
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Experiment 1 The Nature and Properties of Solutions INTRODUCTION The experiment aimed to describe the various ways of expressing the concentration of solutions; prepare solutions of definite concentrations from standard substances by dilution and solve problems involving preparation of solutions and their concentrations. BACKGROUND INFORMATION A solution is any homogenous mixture of two or more substances‚ the relative properties of which may vary within certain limits. The two components
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Solvent/Water Trap Diagram Rodney Atwaters Halle Bair May 28‚ 2013 Chemistry 36100 Introduction The purpose of this lab was to produce benzoic acid by mixing sodium benzoate with hydrochloric acid. The Hydrochloric acid used in the experiment was a stock solution made by mixing HCl Acid and deionized water. HCl acid‚ historically called‚ muriatic acid or spirits of salt‚ hydrochloric acid is produced from sulfuric acid and common salt‚ NaCl (Princeton.edu). Since the early 1900 ’s‚ sodium
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Purpose=The purpose of this lab was to combine reactants‚ which we would pick ourself‚ to make 2 grams of Copper Phosphate and another product. Background: Chemistry is the branch of science that deals with the identification of the substances of which matter is composed. Chemistry has to do with many things we use today. For example‚ fireworks are made by the chemical combining magnesium‚ titanium‚ copper‚ aluminum‚ strontium‚ or other periodical elements. Things also like making plastic‚ jewelry
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Dylon Industries Computer Leasing Assessment Prepared for Robert Reuter Dylon Industries Cleveland‚ Ohio Prepared by Michael Norby Dylon Industries Cleveland‚ OH. November 30‚ 2012 Summary The purpose of this report is to determine why we should lease computer equipment as opposed to purchasing computer equipment. Leasing computers can save this organization revenue by not having to have an on-site IT Department for any hardware or software issues that develop. Any technological
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Dear sir‚ Importance of STPM In response to your article published on 10th of June I strongly disagree with the writer. Studying for STPM is never a waste of time as what the writer states. Here I would like to express my viewpoint about this matter. 2. I am of opinion that STPM students have better opportunities of applying for local public universities when compared to SPM candidates. Students with STPM qualification can also apply for local private colleges and universities.
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