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CHEM 6420 Study Guide - Midterm Guide: Cbs Interactive, Upstate New York, Mexican Cuisine

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3 Nov 2021

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York University

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Document Summary

My name is elizabeth wahington, and i will be graduating on september 27, 2021. I am currently taking six courses to graduate on time and to complete my undergraduate degree. I am excited and stressed since job hunting can be somehow frustrating and tedious. It is a challenge i look forward to. Presently, i live in upstate new york and will move to northern california after graduating. After my graduation, i hope to get a spot to be an executive assistant at cbs. Interactive or redeployed to afghanistan to support the mission of counterterrorism. But then again, if i had to choose between the two careers, i would opt for cbs interactive, given that i enjoy eating mexican cuisine together with living by the ocean. Also, cbs will provide me the opportunity to grow and develop myself.

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Related Questions

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need a good hypothesis please

should be disposed of in the aqueous waste container. NEVER DISASSEMBLE A HOT REACTION APPARATUS. Always allow the reflux apparatus to cool before disassembling Flash boiling could occur and you could get burned by splashing liquid or hot glass EXPERIMENTAL PROCEDURE Esterification reaction Bring a 25 mL round bottom flask containing a small magnetic stir bar or boiling stones to the fume hood. You should always place the round bottom flask in a beaker (250 mL beaker, depends on the size of the round bottom flask) for stability when carrying it around. Add 3.5 mL of isopropanol and 7 mL of acetic acid in the round bottom flask. You can use the same graduated cylinder for each measurement. With caution, using a graduated pipette slowly add -1.0 ml, of concentrated sulfuric acid (H2SO4) into the same flask. Sulfuric acid is toxic and corrosive; avoid getting it on your skin. Stopper the flask. Rinse the graduated cylinder immediately with water into the aqueous waste container; do not remove it from the hood before rinsing. Bring the reaction flask back to your bench, assemble a reflux apparatus, and adjust the heating to a gentle reflux Reflux the reaction for about 45 minutes. The timing should start once the reaction begins to boil. After the reflux is complete, remove the heat source by lowering the heating mantle away from the flask. Let the reaction flask cool for five minutes, and then cool it to room temperature using a cool water bath Extraction . Rinse the round Transfer the contents of the reaction flask into a 125 mL separatory funnel bottom flask with two 6 mL portions of water ether. Transfer the washes into the separatory funnel. Drain the aqueous layer into a beaker. Be sure to retain the organic layer, which contains the product mixture. Extract the product mixture a couple of times with 10 mL portions of 5 % aqueous sodium bicarbonate. Be sure to shake and vent the funnel frequently before draining the aqueous layer. Even though alcohol is the limiting reagent in this reaction, a small amount of alcohol may remain in the product mixture. The and then again with two 8 mL portions of diethyl unreacted alcohol and sulfuric acid should partition into the aqueous layer and removed from the product mixture. Collect the organic layer and dry it with a drying agent. UNIVERSITY ATALBANY State University of New York 102