synthesizing p-Aminophenol with Acetic anhydride. This reaction occurs when the amine group of the p-aminophenol is acetylated by the acetic anhydride. The resultant is an amide functional group (Ellis‚ 2002). However‚ the product that is obtained from this product is a crude solid which cannot be used as an analgesic and therefore the crude solid must be purified. This purified product is what is later put into the analgesic. In this experiment‚ the procedures that are important are vacuum filtration
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In both the poems‚ “Five AM” by Estate of William Stafford and “Five Flights Up” by Elizabeth Bishop‚ they reflect upon the speaker’s early morning surroundings‚ but through different speaker’s point of view. Strafford employs stanzas‚ asyndeton‚ and personification to describe the morning surrounding and the state of mind‚ while Bishop utilizes injection‚ simple sentence and asyndeton. Strafford sets the scene with a peaceful tone and progresses into a rejuvenated tone. Bishop‚ on the other hand
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Rebecca Boreham 7/1/14 Chem 2423 Experiment #5 Synthesis of Aspirin Elizabeth Ajasa Kaylee Seymour Lauren Hatfield Suveda Perikala Introduction/ Purpose Aspirin is the most commonly used drug in the United States. Forty million pounds are produced each year. The chemical name for aspirin is Acetylsalicylic acid. Aspirin is a pain reliever and a fever reducer. Aspirin originated from the bark of a White Willow Tree. Chewing the bark however is extremely acidicand irritates the mucous membranes
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Synthesis of Aspirin (Acetylsalicylic Acid) Abstract: This experiment is about the synthesis of aspirin under laboratory conditions. Aspirin is prepared by reacting salicylic acid and acetic anhydride; in the presence of sulfuric acid. After fully dissolving the salicylic acid with acetic anhydride‚ the solution is cooled and cold water is then added. Once the crystals form they are then filtered and left to dry out. There mass is measured and recorded then the yield is calculated. Introduction:
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Procedure The procedure stated in Chem 2120 experiment 6 Williamson Ether Synthesis of Phenacetin laboratory manual was followed without any major changes. Data and results Compound Amount used MW (g/mol) Moles Stoichiometry/Comments acetaminophen 0.354 g 151.16 2.34 x 10-3 limiting reagent ethyl iodide 0.3mL 155.97 3.75 x 10-3 1.6 equiv ’s sodium ethoxide 2.6mL 68.05 3.3 x 10-2 catalyst‚ reaction solvent crude product obtained: phenacetin 0.32g
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YOUR NOTES UNIT 2 NOTES DNA (deoxyribonucleic acid) DNA Functions • Stores genetic information and copies itself (replication) to pass on the information • Contains genes (instructions to make proteins) • Instructs cell’s activities DNA Structure • DNA is a polymer of nucleotides • Chromosomes (DNA strand + associated proteins ie. Histones wrap DNA around like a spool = condensed chromatin) ↓ genes (sections of a chromosome that codes for a protein) ↓ nucleotides (3 parts:
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(Source F). Roberts also goes on to affirm‚ “... in the United States‚ 80 percent of us live in large‚ densely populated urban areas… typically hundreds of miles‚ often thousands of miles‚ from the major sources of production” (Source F). Modern society has moved away from rural areas to urban cities far from the production of food. These choices make it increasingly difficult for some to take part in this movement. Dueling choices have become a major roadblock for many who strive to take part‚ and
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shall the United States do to prepare for the possibility of a biological attack? In order for the United States to be prepared for a terrorists attack with biological usage‚ they shall take the necessary precautions in order to protect their country from a possible microorganism battle. By taking exclusive precautions such as testing the effects of certain bacteria‚ the United States can be well prepared and possible prevent a biological warfare. When observing the usage of biological weapons used
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is essential for monitoring and maintaining a relatively constant level of glucose in the bloodstream‚ hence the liver is involved in glycogen breakdown and synthesis because these pathways allow the liver to remove glucose from the bloodstream for glycogen synthesis when blood glucose is high and to release glucose into the bloodstream from glycogen breakdown when blood glucose levels are too low. Glycogen provides an additional source of glucose besides that produced through gluconeogenesis which
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Experiment # 3 Acetylsalicylic Acid Introduction: The purpose of this experiment is to create and isolate pure acetylsalicylic acid from the substances salicylic acid and acetic anhydride. Then one will find the melting point to determine purity. Procedure: Make a hot bath. Weigh some salicylic acid and place in conical vial. Add .480mL of acetic anhydride and a drop of concentrated phosphoric acid. Drop in a magnetic spin vane and attach air condenser to vial. Partially submerge it in
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