Determining the Limiting Reactant and Percent Yield in a Precipitate Reaction (SMG 6D) AP Chemistry One example of a double replacement (metathesis) reaction is the mixing of two solutions resulting in the formation of a precipitate. In solution chemistry‚ the term precipitate is used to describe a solid that forms when a positive ion (cation) and a negative ion (anion) are strongly attracted to one another. In this experiment‚ a precipitation reaction will be studied. Stoichiometry
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Determining the Limiting Reactant and Percent Yield in a Precipitation Reaction Objectives: Observe the reaction between solutions of sodium carbonate and calcium chloride. Determine which of the reactants is the limiting reactant and which is the excess reactant. Determine the theoretical mass of precipitate that should form. Compare the actual mass with the theoretical mass of precipitate and calculate the percent yield. Materials: Balance 0.70 M sodium carbonate solution‚ Na2CO3(aq)
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we can then calculate the water evolved. The first method we use to determine the percent composition is Gravimetric. With this method we use the mass of the reactant and the mass of the product. Another way to acquire the percent composition is by the Volumetric Method. This method requires measuring the water displaced by the O2 gas. If the experiment is done correctly‚ we should be able to calculate the percent composition of KClO3 by using both methods. Theory: This experiment requires us
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Ideally‚ the percent yield should be 100%‚ as this means that you have recovered 100% of that material. A yield over 100% would mean that the substance still has some traces of another material that is adding additional mass. Ex. The iron filings having some sand particles leftover. A yield under 100% would mean that some of the substance was not recovered‚ it could have been lost (spilled) or found in another substance (not separated completely). The percent yields may give some insight into what
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with a 12 percent coupon. Bond D is a 6 percent coupon bond currently selling at a discount. Both bonds make annual payments‚ have a YTM of 9 percent‚ and have five years to maturity. The current yield for Bonds P and D is percent and percent‚ respectively. (Do not include the percent signs (%). Round your answers to 2 decimal places. (e.g.‚ 32.16)) | If interest rates remain unchanged‚ the expected capital gains yield over the next year for Bonds P and D is percent and percent‚ respectively
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Formal Percent Composition Lab Report Percent Composition is the composition of space given as a percentage. This is the percent composition formula‚ that would help us solve our experiment. Percent composition is important because it shows how much a certain substance is comprised of one component or other Percent composition is used in our everyday life’s. For example if you want to measure how much sugar you have ate. Or how much calories have you gained. Or just how we did in our
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Week 3 Time Value of Money and Valuing Bonds Chapter 6 55. Amortization with Equal Payments Prepare an amortization schedule for a five-year loan of $36‚000. The interest rate is 9 percent per year‚ and the loan calls for equal annual payments. How much interest is paid in the third year? Answer: $2‚108.52 56. Amortization with Equal Principal Payments Rework Problem 55 assuming that the loan agreement calls for a principal reduction of $7‚200 every year instead of equal annual payments. Answer:
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1. What is the present value of a 10-year‚ pure discount bond paying $1‚000 at maturity if the appropriate interest rate is: a. 5 percent? b. 10 percent? c. 15 percent? 2. Microhard has issued a bond with the following characteristics: Principal: $1‚000 Time to maturity: 20 years Coupon rate: 8 percent‚ compounded semiannually Semiannual payments Calculate the price of this bond if the stated annual interest rate‚ compounded
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Purpose: To find out the percent yield of copper in the reaction between copper sulfate (CuSO4) and Iron (Fe). Materials: Balance 100-mL beaker 250-mL beaker Bunsen burner Copper sulfate crystals Glass stirring rod 100-mL graduated cylinder Iron filings Ring stand and ring Wire gauze Procedure: 1. Record mass of clean 100-mL beaker. 2. Add 8.0 grams of copper sulfate crystals to beaker. 3. Add 50.0 milliliters of distilled water to the crystals. 4. Put wire gauze on ring on ring
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Calculating Yields ( LO1‚ CFA1) In the previous problem‚ what is the capital gains yield? The dividend yield? What is the total rate of return on the investment? 3. Calculating Returns ( LO1‚ CFA1) Rework Problems 1 and 2 assuming that you buy 750 shares of the stock and the ending share price is $ 32. 5. Calculating Average Returns ( LO1‚ CFA1) The rate of return on Cherry Jalopies‚ Inc.‚ stock over the last fi ve years was 17 percent‚ 11 percent‚ 2 percent‚ 3 percent‚ and 14 percent. Over the
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