Mole Ratios Lab October 10‚ 2013 Mrs. Oliver Noah Kent AP Chemistry Block 3/4 Laboratory #4: Mole Ratios I. Hypothesis: If copper wire is placed in an aqueous solution with silver nitrate‚ then silver crystals will grow on the wire surface and the solution will gradually take on the color of Copper (II) ions. The relative quantities of reactants and products in this chemical reaction can be determined by measuring the mass of copper wire consumed in the reaction and the mass of silver crystals
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these retail math calculations often requires familiarity with formulas. Use the following equations and retail math formulas to track merchandise‚ measure sales performance and help create pricing strategies. Acid-Test Ratio Acid-Test Ratio = Current Assets - Inventory ÷ Current Liabilities Average Inventory Average Inventory (Month) = (Beginning of Month Inventory + End of Month Inventory) ÷ 2 Basic Retailing Formula Cost of Goods + Markup = Retail Price Retail Price
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* Formula One racing is one of the most revered sports in the world. In the auto-racing world it is second to none in class‚ prestige‚ history‚ and skill. The level of competition is immense and the window of entry is miniscule. This brings up one question: (what is the question?) Formula One racing’s history dates back to the 1950s when racecars were simple front engine‚ drum brake cars. Compared to the cars of today‚ they are dinosaurs‚ but they were the best of their time and a wonder to many
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Reconciling and Clarifying CLV Formulas Peter S. Fader www.petefader.com Bruce G. S. Hardie www.brucehardie.com † March 2012 1 Introduction A standard part of many contemporary Marketing courses is a case or exercise in which students are expected to compute customer lifetime value (CLV). Typically they are given an average retention rate r‚ an average net cashflow of $m per period (having accounted for “account maintenance” costs)‚ and an assumed discount rate d. Given these inputs‚ they are
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questions and show your work. When you are finished‚ submit this assignment to your teacher through the appropriate dropbox basket. (3 pts) 1.) Factor 100x^2 – 49 to factor‚ use the difference of squares formula‚ because both the terms are perfect squares the difference of squares formula is a^2 – b^2 = (a-b)(a+b) therefore 100x^2 – 49 = (10x)^2 – 7^2 = (10x – 7)(10x +7) (5 pts) 2.) Solve x^2 – 11x = -30 (x^2 – 11x) + 30 = -30 +30 x^2 – 11x +30 = 0 Reorder the terms: 30 + 11x
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The Euler’s Formula Euler’s formula and Identity: eix = cos(x) + i(sin(x)) The world of math today is one with endless possibilities. It expands into many different and interesting topics‚ often being incorporated into our everyday lives. Today‚ I will talk about one of these topics; the most mind-blowing and fascinating formula invented‚ called the “Euler’s formula”. This formula was created and introduced by mathematician Leonhard Euler. In essence‚ the formula establishes the deep relationship
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References: 560988 Noriyuki‚ Y.‚ et al. (to Chiyoda)‚ “ Process for the Production of Acetic Acid from Methanol and Carbon Dioxide using Supported Rhodium Catalyst‚” US 5‚334‚755‚ (April 21‚ 1993) 501931 Marston‚ C.R. et al. (to Reilly Tar & Chemical)‚ “ Process for Acetic Acid Preparation and Heterogeneous Catalyst for Same‚” European 277‚824 (August 10‚ 1988) Reports Fong‚ W.S.‚ Acetic Acid by Low Pressure Carbonylation of Methane with a Supported Rhodium Catalyst‚ PEP Review 88-3-4‚ Process
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Experiment 18 Chemistry 101 Redox Titration: Determination of the Percentage of Iron in a Sample INTRODUCTION The concentrations of redox-active species can be determined by redox titrations. In a redox titration‚ a measured sample of the unknown is titrated against a standard solution of a substance that will oxidize or reduce the unknown. In the present experiment you will take a sample containing iron‚ add acid to dissolve it [thereby converting all the iron to iron(II)]‚ then
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For those of you who came to the review in class today‚ The stoichiometry question from class. I read the answer to the wrong decimal place. --What is the total mass of oxygen in 0.26mol of Cu2O? Find the percent of oxygen in Cu2O first. The molar mass of Cu2O is 143‚ the mass of just the oxygen in it is 16. % Composition of oxygen would be 16/143 times 100 is 11.19%‚ To determine the mass of Cu2O in 0.26 mol‚ multiply by the molar mass of Cu2O. This gives
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Kant: The Humanity Formula "Few formulas in philosophy have been so widely accepted and variously interpreted as Kant’s injunction to treat humanity as an end in itself"(Hill‚ 38). Immanuel Kant’s views‚ as elucidated in his book‚ Groundwork of the Metaphysics of Morals‚ are based on the belief that "people count" by prohibiting actions which exploit other individuals in order for self-prosperity or altruistic ends. Ethics then‚ are confirmed by the dignity and worth of the rational agency of
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