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Solutions Rev Prob Exam 2 - Part 2 09-106 S 11

# Solutions Rev Prob Exam 2 - Part 2 09-106 S 11 - Review...

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Review Problems for Exam 2 – Part 2 09-106 Fall 2010 I. Circle the letter of the correct response for the following questions or statements. 1. The rate constant k is dependent on A) the concentration of the reactant. B) the concentration of the product. C) the temperature. D) the order of the reaction. E) none of these 2. The rate expression for a particular reaction is Rate = k [A][B] 2 . If the initial concentration of B is increased from 0.1 M to 0.3 M , the initial rate will increase by which of the following factors? 3. For the reaction A + B products, the following data were obtained. Initial Rate (mol/L • s) 0.030 0.059 0.060 0.090 0.090 [A] 0 (mol/L) 0.10 0.20 0.20 0.30 0.30 [B] 0 (mol/L) 0.20 0.20 0.30 0.30 0.50 What is the experimental rate law? 4. For which order reaction is the half-life of the reaction independent of the initial concentration of the reactant(s)? 5. For which of the following is the half-life directly dependent on the concentration of the reactant? A) zero-order reaction B) first-order reaction C) second-order reaction D) two of these E) all of these

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