the unknown alcohol. Equilibrium constants can be easily found once the concentrations of all reactants are known using Keq= [ acid][alcohol]/[ester][water]. Procedure: Part A: Prepare six bottles with the following volumes in each: Bottle # 3M HCl in mL H2O in mL Ester in mL Alcohol in mL 1 5 5 0 0 1/A 5 5 0 0 2 5 0 5 0 3 5 1 4 0 4 5 3 2 0 5 5 2 2 1 Once the bottles are prepared shake the solutions thoroughly and let sit for two weeks shaking periodically. Part B: Prepare a NaOH solution
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only able to add to one side of the carbonyl and ultimately in the wrong position. This is why it was important to pay special attention to the amounts of reactants added to the mixture. Experimental: In a medium sized test tube * Add 4 mL of 3M NaOH solution * Add 3 mL of 95% ethanol * Add .424 g of benzaldehyde * Add .116 g of acetone Take a TLC of mixture Cap tube with cork and shake mixture vigorously for 30 minutes * Add 3 mL of water into test tube and cap the tube
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Name: Use the following information for the next two questions. Napier Co. provided the following information on selected transactions during 2013: Purchase of land by issuing bonds $500‚000 Proceeds from issuing bonds 1‚000‚000 Purchases of inventory 1‚900‚000 Purchases of treasury stock 300‚000 Loans made to affiliated corporations 700‚000 Dividends paid to preferred stockholders 200‚000 Proceeds from issuing preferred stock 800‚000 Proceeds from sale of equipment 100‚000 1. The net
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Write your name here Surname Other names Centre Number Candidate Number Edexcel GCSE Mathematics B Unit 2: Number‚ Algebra‚ Geometry 1 (Non-Calculator) Higher Tier Friday 12 November 2010 – Morning Time: 1 hour 15 minutes Paper Reference 5MB2H/01 Total Marks You must have: Ruler graduated in centimetres and millimetres‚ protractor‚ compasses‚ pen‚ HB pencil‚ eraser. Tracing paper may be used. Instructions black ink or • Usein the boxesball-point pen. page with your name
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fixed assets‚ and current liabilities (where the “appropriate %” values are 25%‚ 50%‚ and 25%‚ respectively). The percentages we use are the same proportions of sales that Zapatera had for 2010; for example‚ the current asset proportion was found as ($3M/$12M) = 25%. Long-term debt‚ common stock‚ and paid-in capital keep the same values that they had in 2010‚ since these amounts are assumed not to vary with sales. Finally‚ 2011 retained earnings is found as: 2011 retained earnings = 2010 retained earnings
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the following in different beaker and label the accordingly: Solution Fe(NO3)3 KSCN HNO3 Amount 40ml 25ml 20ml 2) In 5 large test tubes mix the following substances with the according amounts as shown below: Trial Fe(NO3)3 (2x10-3M) KSCN (2x10-3M) HNO3 1 5ml 1ml 4ml 2 5ml 2ml 3ml 3 5ml 3ml 2ml 4 5ml 4ml 1ml 5 5ml 5ml 0 3) Place some of each sample in the cuvettes and perform a spectroscopy. *After adding KSCN‚ the solution turned pale yellow and when HNO3 was
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well. Pacific Healthcare uses 1‚500 sheets of Kodak’s X ray film per day at $ 1.80 per sheet. Four other companies manufactured the same X ray film that Pacific uses which are DuPont‚ Agfa‚ Fuji‚ and 3M. Manufacturer X ray film‚ price per sheet: Kodak $1.80 Agfa $1.58 Dupont $1.50 Fuji $1.40 3M $1.35 II. Major problem If Mr. Rubble chooses to go to a different supplier; would his company be able to receive the same service that Kodak provided them? Of course‚ they would save more money
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Case study notes This case has been updated to include the Apple iPad. Principally this is case explores the issue of licensing and how successful firms can become unsuccessful. It is not a case about Apple and why it has become successful. This case study explores the rise of the Apple Corporation. The Apple iPod is one of the most successful new product launches in recent years‚ transforming the way the public listens to music‚ with huge ramifications for major record labels. More than 50 million
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the depreciation expense doubled then the Net income would be reduced by an additional $1.5M and the Net Income is $1.0M. However the cash flow would stay the same because it consists of the new Net Income ($1M) and the new Depreciation expenses ($3M) combined for a new cash flow of $4M. The new profit Margin is 0.083 (8.3%) = $1M / $12M d. If the depreciation was halved‚ Net Income would be $3.2M. Cash Flow would be Net Income of $3.2M + Depreciation of $750K = $4M Cash Flow. The profit margin
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kN/m3 6) An inverted open tank is held in place by a force R as shown in figure. If the specific gravity of the manometer fluid is 2.5‚ determine the value of h and R. Neglect the weight of the tank. 1 cm diameter tube R 2 m diameter tank h Air 3m 2m Water 1m Water ANSWERS 1) 77.217 kPa 2) 0.040 m 3) 94.9 kPa 4) p = 3.48 kPa (gage) ; p= 123 kPa 5) p = 24.7 kPa (gage) ; h=0.116 m 6) h= 2.20m; R=61.6 kN
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