Transcription of Chapter 15 Practice Questions
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Chapter 15 Practice Questions
Chapter 15. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The value of Keq for the equilibrium 1). H2 (g) + I2 (g) 2 HI (g). is 794 at 25 C. What is the value of Keq for the equilibrium below? 1/2 H2 (g) + 1/2 I2 (g) HI (g). A) 1588 B) C) 28 D) 397 E) 2) The value of Keq for the equilibrium 2). H2 (g) + I2 (g) 2 HI (g). is 794 at 25 C. At this temperature, what is the value of Keq for the equilibrium below? HI (g) 1/2 H2 (g) + 1/2 I2 (g). A) B) 28 C) D) 397 E) 1588. 3) The value of Keq for the equilibrium 3). H2 (g) + I2 (g) 2 HI (g). is at 427 C. What is the value of Keq for the equilibrium below? HI (g) 1/2 H2 (g) + 1/2 I2 (g). A) 27. B) C) 103. D) E) 10-4. 1. 4) Consider the following chemical reaction: 4).
A) 0.125 B) 7.87 C) 5.64 D) 1.98 E) 0.389 14) 15) At equilibrium, _____. A) all chemical reactions have ceased B) the rate constants of the forward and reverse reactions are equal C) the rates of the forward and reverse reactions are equal D) the value of the equilibrium constant is 1 E) the limiting reagent has been consumed 15) 4
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