Experiment 29 – Borohydride Reduction of Vanillin to Vanillyl Alcohol Goal To perform a sodium borohydride reduction of an aldehyde to produce an alcohol. Reading and Working Ahead Your discussion should include a mechanism for this reaction. Review: OP 12 – Vacuum filtration OP 28 – Melting point (using Mel-Temp®) Procedure Notes Calculate the necessary mass of vanillin and sodium borohydride for the procedure below. Also calculate theoretical yield of vanillyl alcohol. You
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References: 1. Wikipedia – http://en.wikipedia.org/wiki/Dermatophytosis 2. Mar Vista Vet – http://www.marvistavet.com/html/body_ringworm.html 3. The Merck Veterinary Manual – http://www.merckvetmanual.com/mvm/index.jsp?cfile=htm/bc/71300.htm 4. The Center for Food Security & Public Health‚ Iowa State University –http://www.cfsph.iastate.edu/Factsheets/pdfs/dermatophytosis.pdf 5. http://www.dermatophytes
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The serotonergic drug‚ a drug that affects different parts of the serotonin system‚ was created in 1912 by the German chemical company Merck‚ and acts as a hallucinogen and stimulant to the body. It was said to be sold as a diet pill however the company decided to go against marketing the drug. So by 1915 it was just used by the US Army for psychological warfare tests. It was then finally
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constants vary with temperature and activation energy. Chemicals and Apparatus : 1. Methyl formate (m.w. = 60.05 g/mol‚ d= 0.97 g/mol) 2. Methanol (m.w. = 32.04 g/mol‚ d= 0.79 g/mol) 3. Ion exchanger I‚ strongly acid cation exchanger‚ H+ form (Merck) 4. Magnetic stirrer hotplate 5. 2 magnetic stirring bars 6. Crystallalizing dish (for water bath) 7. 2 beakers 250 mL 8. Contact thermometer 9. Conductivity measuring cell 10. Temperature probe 11. Graduated measuring pipette 15 mL 12. Volumetric
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Question 1 For each of the following independent situations‚ compute net accounts receivable. a. Accounts Receivable has a balance of $14‚000. The Allowance for Uncollectible Accounts has a credit balance prior to adjustment of $300. An aging schedule prepared on December 31 reveals $1‚100 of uncollectible accounts. b. Accounts Receivable has a balance of $25‚700. The Allowance for Uncollectible Accounts has a debit balance prior to adjustment of $400. An aging schedule
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be just as useful? 2. The figures below indicate the number of mergers that took place in the savings and loan industry over a 12-year period. Year Mergers Year Mergers 2000 46 2006 83 2001 46 2007 123 2002 62 2008 97 2003 45 2009 186 2004 64 2010 225 2005 61 2011 240 a. Calculate a 5-year moving average to forecast the number of mergers for 2012. b. Use the moving average technique to determine the forecast for 2005 to 2011. Calculate measurement error using MSE and MAD. c. Calculate a 5-year weighted
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No Drugs: No ESKAPE revisited‚ Clin. Infect. Dis.‚ 2009‚ 49‚ 992-993 Rice L.B.‚ Federal funding for the Study of antibacterial agents among key bacterial pathogens‚ Ann.N.Y.Acad.Sci‚ 2013‚ 1277‚ 1-7 vulnerable patients‚ Cleve Clin J Med.‚ 2013‚ 80‚ 225-33 diseases society of America‚ Clin. Infect. Dis.‚ 2009‚ 48‚ 1-12 to 2010‚ J. Nat. Prod.‚ 2012‚ 75‚ 311–335 Devasahayam G.‚ Scheld W.M.‚ Hoffman P.S.‚
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Kathryn Blink Homework Week 4 The following information relates to Exercises 5-11 through 5-18: Summit Manufacturing‚ Inc. produces snow shovels. The selling price per snow shovel is $30. There is no beginning inventory. Costs involved in production are: Direct material $5 Direct labor $4 Variable manufacturing overhead $3 Total variable manufacturing costs per unit $12 Fixed manufacturing overhead cost per year $180‚000 In addition‚ the company has fixed selling and administrative
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SWOT Analysis • • • • Strengths Weaknesses Opportunities Threats Mission An organization’s fundamental purpose SWOT Analysis To formulate strategies that support the mission Internal Analysis Strengths (distinctive competencies) External Analysis Opportunities Weaknesses Threats Good Strategies Those that support the mission and • exploit opportunities and strengths • neutralize threats • avoid weaknesses Copyright © by Houghton Mifflin Figure 8.1 8–1 Porter’s Generic Strategies Strategy
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The Lagrangean Multiplier is marginal cost of any input to marginal benefit of any input should be same for any input. It explains if marginal cost –benefit ratio is greater for K than L‚ we have to substitute L for K to minimize cost. d. 225 = LK 225 = 16L+144K
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