theoretical yield of your product? Theoretical yield of the CaCO3 is expected to be .69g. B. According to your data table‚ what is the actual yield of the product? The mass of the filter paper was 1.1g‚ and the total mass of the filter paper when dried with the CaCO3 was 1.8 total. Thus the actual yield of the product was .70g. C. What is the percent yield? Percentage yield is actual yield over the theoretical yield x100. Actual yield: .70gTheoretical yield: .69g percentage yield: 101%
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------------------------------------------------- “India’s economy would reap a better demographic dividend and would grow faster in the next decade” As compared to China‚ do you believe India will have a bigger advantage? Examine how your company is gearing up to benefit from the economic Boom in both the countries? Definitely‚ I believe that India will have a bigger advantage when compared to china due to a better demographic dividend. China & India are the two largest populations in the world‚ each has over a billion
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2Fe (Ш) + 3CuCl2 (aq) → 3Cu + 2FeCl2 In addition‚ we will need to find the percent yield of copper. Percent yield is a measure of the mass of what was produced ("experimental yield") divided by the mass of what should have been produced ("theoretical yield"). Hence‚ the equation will be: Percent yield= experimental yield theoretical yield We will need to substitute the experimental yield and the theoretical yield of copper after we have found out the actual equation. Purpose Since there are two
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Title: Stoichiometry of a Precipitation Reaction Purpose: The purpose is to predict the amount of precipitation using stoichiometry. Another purpose is to measure and calculate percentage yield. Procedure: 1. Weigh out 1.0g of CaCl2*2H2O and put it into a 100mL beaker. 2. Add 25mL of distilled water and stir. 3. Using stoichiometry to determine how much Na2CO3 is needed for a full reaction. 4. Weigh the calculated amount and put it in a small paper cup. Add 25mL distilled water and stir
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IT sector where the technologies changes very fast. ADVANTAGES OF LONG TERM DEBT FINANCING: * It is less expensive and interest expenses are tax deductible. * If company’s profit increases‚ it will not have to share it because investors’ yield is fixed. * No dilution of voting rights is good for shareholders. DISADVANTAGES OF LONG TERM DEBT FINANCING: * Non –payment of debt obligation can damage company’s image. * Debt securities are not inflation hedge hence investors’ response
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complete) 1 2 3 4 5 Abstract 1 2 3 4 5 Introduction 1 2 3 4 5 Reaction Scheme and Curly arrow mechanism 2 4 6 8 10 Table 1 2 3 4 5 Experimental Procedure 1 2 3 4 5 Calculation (percentage yield and composition of isolated materials) 1 2 3 4 5 Results and Discussion (include GC) 1 2 3 4 5 Completion/participation of the Experiment 1 2 3 4 5 Total Comments /50
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SEAT NUMBER: ……….… ROOM: .………………. FAMILY NAME.………….....…………………………. This question paper must be returned. Candidates are not permitted to remove any part of it from the examination room. OTHER NAMES…………….…………………..…….. STUDENT NUMBER………….………..…………….. SESSION 2 EXAMINATIONS NOVEMBER 2012 Unit Code and Name: AFIN252‚ Applied Financial Analysis and Management Time Allowed: 3 hours plus 10 minutes reading time. Total Number of Questions: 50 Multiple Choice Questions plus 8 full response questions.
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| |X | | |F. Sold common stock | | |X | |G. Paid a cash dividend to stockholders | | |X | |H. Paid interest to lenders |X |
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silver nitrate. This single replacement reaction will produce a blue solution of copper II nitrate and solid silver. By weighing the reactants before the reaction‚ the mass of silver produced can be predicted. This theoretical yield can be compared to the actual yield of silver. Purpose Students will compare the theoretical mass of silver with the actual mass of silver from the single replacement reaction between copper and silver nitrate. Materials Copper wire stirring rod 18 x 150 mm
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benzocaine and stabilizes the neuronal membrane which decrease its permeability to sodium ions.1 In this experiment‚ the synthesis of benzocaine is carried out by the acid-catalyzed esterification of 4-aminobenzoic acid with ethanol.2 Theoretical Yield: 1.25g/MW 137 = .009 moles C2H6O 20mL / MW46 =0.435 moles C9H11O2N .009 X 165.19 = 1.49g Purpose Statement: The purpose of this experiment is to synthesize benzocaine by esterification using 4-aminobenzoic acid with ethanol. Experimental
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