Chapter 15 Practice Questions

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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.

4) Consider the following chemical reaction: H2 (g) + I2 (g) 2HI (g) At equilibrium in a particular experiment, the concentrations of H2, I2, and HI were 0.15 M, 0.033 M, and 0.55 M, respectively. The value of Keq for this reaction is _____. A) 61 B) 9.0 × 10-3 C) 23 D) 111 E) 6.1 4)

  Chemical, Chapter, Equilibrium