CaCO3 theoretical yield as follows: 1 g CaCl2·2H2O x 1 mole CaCl2·2H2O x 1 mol CaC03 x 100 g CaC03 = 147 g CaCl2·2H2O 1 mol CaCl2·2H2O 1 mol CaC03 To double-check‚ we can calculate CaCO3 theoretical yield by using Na2CO3 0.72 g Na2C03 x 1 mol Na2C03 x 1 mol CaC03 x 100 g CaC03 = 106 g Na2C03 1 mol Na2C03 1 mol CaC03 www.LabPaq.com 56 ©Hands-On Labs‚ Inc. Experiment Stoichiometry of a Precipitation Reaction Questions A. From your balanced equation what is the theoretical yield of your product
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Organic Chemistry I – CHEM 201-DL01 September 26‚ 2014 Organic Chemistry Experiment 4B Lab Report Extraction of Organic Compounds From Natural Sources: Extraction of Trimyristin From Nutmeg Introduction The purpose of this experiment is to illustrate how a solid natural product can be extracted from its natural source through the use of an organic solvent. Natural products are organic compounds that are synthesized by natural biological processes in plants‚ animals
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University No. 11365048 Contents Introduction Sample x results Sample y results Elasticity and Elastic Limit Yield Point and Plasticity Ultimate Tensile Strength Stiffness Ductility Brittleness Hooke’s Law Young’s Modulus Conclusion Sample x graph Sample y graph Sample z graph List of references Page 2 Page 3 Page 4 Page 5 Page 5 Page 6 Page 6 Page 7 Page 7 Page 8 Page 8 Page 9 Page 11 Page 12 Page 13 Page 14 Page 1 of 15 University No. 11365048 The Tensile Test I have been provided
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__________________________________________________ Purposes: 1. Calculate theoretical mass of NaCl based on a known mass of NaHCO3. 2. Experimentally determine the actual mass of NaCl produced. 3. Calculate the percent yield for your experiment. Reaction Equation: NaHCO3(s) + HCl(aq) ( NaCl(s) + CO2(g) + H2O(l) Materials: safety glasses baking soda (NaHCO3) 1 M HCl and dropper 500 ml Pyrex flask hot plate Procedure: 1. Find the
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Experiment No. 5 Preparation of KAl(SO4)2•12H2O (Alum) OBJECTIVES This experiment aimed to: prepare KAl(SO4)2•12H2O‚ commonly referred to as alum‚ from aluminum metal from a canned soft drink‚ and determine the mass of the alum collected and its percent yield. METHODOLOGY An aluminum metal scrap was obtained by scraping the paint off a Coca-Cola can. It was then cut into small pieces and was placed in a pre-weighed 250 mL beaker. With the use of an analytical balance‚ by taring the mass of the beaker
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Level coupon bond Yield to maturity: market interest rate for bond with similar features (par etc); the yield to maturity (YTM) of a bond
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coupon with 15 years to maturity. The bonds were originally issued at par value. a. What was the original yield to maturity on the bonds? They were issued at par…so the YTM = Coupon rate: 7% b. If the current price of the bonds is $875‚ what is the yield to maturity of the bonds TODAY? 1000 FV .07(1000)÷2= PMT (15-7)*2 = N -875 PV I/Y = 4.623*2 = 9.25% c. If the yield to maturity computed in part b remains constant‚ what will be the price of the bonds three years from today?
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Abstract A Friedel-Crafts alkylation was performed by adding t-butyl alcohol to p-dimethoxybenzene in order to produce 1‚4-di-t-butyl-2‚5-dimethoxybenzene. This reaction yielded 0.009g of 1‚4-di-t-butyl-2‚5-dimethoxybenzene having a percent yield of 5%‚ and a melting point range of 54.8°C-56.9°C. Introduction This reaction is designed to put functional groups onto aromatic rings. This is done through an electrophilic aromatic substitution where a positive species is strong enough to pull electrons
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obtained crystals that were a small and more powdery than plate-like. Even though our crystals did not turn out as we had hoped‚ the melting point range for our crystals was very close to the literature value. The calculations for the percent yield are as follows: First‚ the moles of the reactants must be calculated: Through these calculations we can see that the cyclopentadiene is the limiting reagent is the cyclopentadiene because the reaction between cyclopentadiene and maleic anhydride
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Homework Set One BECO306‚ FBA Univ of Macau Prof. X.H. Gu Note: Write your answers in separate sheets in a neat and clear manner. This is treated as a take-home‚ open-book exam that is supposed to be completed independently; so do not discuss answers with your classmates. Part one: Multiple choice questions 1) Securities are ________ for the person who buys them‚ but are ________ for the individual or firm that issues them. A) assets; liabilities B) liabilities; assets C) negotiable;
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