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CHAPTER 12 MAKE UP HOMEWORK

# CHAPTER 12 MAKE UP HOMEWORK - CHAPTER 12 MAKE UP HOMEWORK 1...

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CHAPTER 12 MAKE UP HOMEWORK 1. Consider the following reaction: 2 HBr (g) H 2 (g) + Br 2 (g) a. Express the rate of the reaction with respect to each of the reactants and products. b. In the first 15.0 s of this reaction, the concentration of HBr dropped from 0.500 M to 0.455 M. Calculate the average rate of the reaction in this time interval. c. If the volume of the reaction vessel in part b was 0.500 L, what amount of Br 2 (in moles) was formed during the first 15.0 s of the reaction? 2. Consider the following reaction: C 4 H 8 (g) 2 C 2 H 4 (g) . The following data were collected for the concentration of C 4 H 8 as a function of time: Time (s) [C 4 H 8 ] (M) 0 1.000 10 0.913 20 0.835 30 0.763 40 0.697 50 0.637 a. What is the average rate of this reaction between 0 and 10 s? Between 40 and 50 s? b. What is the rate of formation of C 2 H 4 between 20 and 30 s? 3. A reaction in which A, B, and C react to form products is first order in A, second order in B and zero order in C. a. Write a rate law for the reaction.

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CHAPTER 12 MAKE UP HOMEWORK - CHAPTER 12 MAKE UP HOMEWORK 1...

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