Chemistry 521 Exam I‚ Spring Quarter 7:30 - 9:00 PM‚ 25 April 2000 NAME 1. [10 points] What are the concentrations of HSO− ‚ SO2− ‚ and H+ in a 0.20 M KHSO4 solution? (Hint: 4 4 H2 SO4 is a strong acid; Ka = 1.3 × 10−2 for HSO− .) 4 2. [15 points] Calculate the pH of 1.00 L of the buffer 1.00 M CH3 COONa/1.00 M CH3 COOH (pKa = 4.74) before and after the addition of (a) 0.080 moles NaOH and (b) 0.12 moles HCl. (Assume there is no change in volume). 3. [10 points] The following reaction
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"Prospective Immigrants Please Note" Adrienne Rich Either you will go through this door or you will not go through. If you go through there is always the risk of remembering your name. Things look at you doubly and you must look back and let them happen. If you do not go through it is possible to live worthily to maintain your attitudes to hold your position to die bravely but much will blind you‚ much will evade you‚ at what cost who knows? The door itself makes no promises
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Kinetics 6.1 Rates of reaction 6.2 Collision theory 6 16.1 Rate Expression (AHL) 16.2 Reaction mechanism (AHL) 16.3 Activation energy (AHL) 6.1 Rates of reaction 6.1.1 Define the term rate of reaction. 6.1.2 Describe suitable experimental procedures for measuring rates of reactions. 6.1.3 Analyse data from rate experiments. © IBO 2007 Figure 601 An explosion is a quick reaction D ifferent chemical reactions occur at different rates (i.e. speeds). Some
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ADVANCED QUALITY SYSTEMS (AQS) The Boeing Company D1-9000 D1-9000 is the Boeing Company document that addresses their internal and supplier quality system and the approach to continuous improvement. D1-9000 establishes the following requirements for Boeing and their suppliers: Basic Quality System Advanced Quality System (AQS) AQS Tools Supplier Quality Rating Basic Quality System Requirements Boeing and their suppliers are to establish and maintain written procedures and flow charts
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Tax Return Worksheet Directions Review Gloria Ramsay’s tax return. Answer the following questions based on the information listed in her return. 1. Even though Gloria is single‚ her filing status is Head of Household. Why is Gloria able to file as head of household? Gloria is able to file head of house hold in this case because‚ she has a qualifying dependent. A qualifying dependent would be a closely related relative dependent that you have provided for maintaining a home for yourself
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Assisted Suicide and Right to Die Eric Covell POSC 199 Intro to California Politics Som Chounlamountry When you lose sight of the beauty of life and live in fear of the future that is ahead of you because it will be short‚ what choice do you have but to leave on your own terms. Everyone has the right to their own life and if someone is suffering‚ they have the right to die. Assisted suicide should be allowed in hospitals in the United States because it is unethical to prolong a person’s
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What Affects the Rate of Evaporation? Aim * To find out if changes in temperature‚ draught and surface area of water open to air affects the rate of evaporation through the water. * To safely check if these variables change the rate of evaporation * To complete all the experiments in the short period given Prediction * I believe that a raise in temperature will speed up the rate of evaporation in the water * I believe that a larger surface area will speed up the rate of evaporation
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A Former US senator and a senior at the Ethics and Public Policy Center begin their case against gay marriage with the point that there are no studies that prove that homosexuals have a positive impact their community. They claim that people that support homosexuals are not “seeing the big picture” or assuming the repercussions of damaging others‚ including children‚ morally‚ religiously‚ physically‚ and mentally. When asked about a “go-slow approach‚” their rebuttal consists of the idea that once
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Calculating Returns ( LO1‚ CFA1) Suppose you bought 100 shares of stock at an initial price of $ 37 per share. The stock paid a dividend of $ 0.28 per share during the following year‚ and the share price at the end of the year was $ 41. Compute your total dollar return on this investment. Does your answer change if you keep the stock instead of selling it? Why or why not? 2. Calculating Yields ( LO1‚ CFA1) In the previous problem‚ what is the capital gains yield? The dividend yield? What is the total
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should be allowed in our society‚ but also by a basic disagreement over what is included in the definition of pornography. Emotions run high and scientific rigour falls aside where it comes to studies of the effect of pornography‚ the use of these studies in mass media and in academic debates. Sifting through mountains of rhetoric can be confusing‚ when few entering the debate can even agree on what pornography is‚ much less what are its corrosive effects. The first task of this paper‚ therefore‚ shall
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