CHEM31PracticeProblems_3Key

CHEM31PracticeProblems_3Key - C HEM31 Additional Practice...

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CHEM31 Additional Practice Problems for Exam #3 1. (Zumdahl 15.106) Suppose the following mechanism is proposed for the reaction a. Determine the rate law under steady-state conditions. b. Under what conditions does your rate law in part a reduce to the rate laws that would hold if: 1. The first step is the slow, rate determinine step. 11. The second step is the slow, rate determining step and the first step is a fast equilibrium step. (Hint: look at the dependence of the rate law on [A].) II. (Zumdahl6.72) A sample ofN 2 0 4 (g) is placed in an empty container at 25°C. Some ofthe N 2 0 4 (g) dissociates to form N0 2 (g). After equilibrium is reached, the total pressure of gas in the container is 1.5 atm and it is determined that 16% (by moles) ofthe original N
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This note was uploaded on 12/05/2011 for the course CHEMISTRY 31 taught by Professor Roy during the Fall '09 term at Duke.

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CHEM31PracticeProblems_3Key - C HEM31 Additional Practice...

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