CH 234 E2 practice

CH 234 E2 practice - CHEM 234 Exam 2 I. Multiple...

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CHEM 234 Exam 2 I. Multiple choice—choose the best answer—2 points each 1. Which one of the following statements does not describe the equilibrium state? a. Equilibrium is dynamic and there is no net conversion to reactants and products. b. The concentration of the reactants is equal to the concentration of the products. c. The concentration of the reactants and products reach a constant level. d. The rate of the forward reaction is equal to the rate of the reverse reaction. 2. Which of the following statements is false regarding the equilibrium constant, K c ? a. K c for a reaction at a particular temperature always has the same value. b. K c for the reverse reaction is the negative of K c for the forward reaction. c. The numerical value of K c depends on the form of the balanced equation. d. When quoting K c it is customary to omit units. 3. Nitric oxide reacts with oxygen to form nitrogen dioxide: 2NO(g) + O 2 (g) <-> 2 NO 2 (g) What is K c for the forward reaction if the equilibrium concentration of NO is 0.200 M, O 2 is 0.100 M, and
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This note was uploaded on 09/04/2008 for the course CHEM 234 taught by Professor Johnson during the Spring '08 term at CSB-SJU.

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CH 234 E2 practice - CHEM 234 Exam 2 I. Multiple...

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