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
Free Stoichiometry Chemical reaction Aluminium
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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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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Introduction Friedel-Crafts acylation of anisole with acetic anhydride was used in this experiement to synthesize 4-methoxyacetophenone with the use of a reflux apparatus. Friedel-Crafts reactions can be done by alkylation‚ which involves mixing an alkyl or acyl halide with a Lewis acid‚ or acylation‚ which is done with acid chlorides or anhydrides(Lefevre). Acylation was used because it does not have as many disadvantages aklyations reactions have such as polyalkylation‚ second electrophilic attacks
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Review Problems#3 Question-1 Mark Goldsmith ’s broker has shown him two bonds. Each has a maturity of 5 years‚ a par value of $1‚000‚ and a yield to maturity of 12%. Bond A has a coupon interest rate of 6% paid annually. Bond B has a coupon interest rate of 14% paid annually. a. Calculate the selling price for each of the bonds. ANSWER: b. Mark has $20‚000 to invest. Judging on the basis of the price of the bonds‚ how many of either one could Mark purchase if he were to choose it over
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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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