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Consider the Following Two Equilibria and Their Respective Equilibrium Constants

Question 21

Multiple Choice

Consider the following two equilibria and their respective equilibrium constants: (1) NO(g) + ½O2(g) Consider the following two equilibria and their respective equilibrium constants: (1) NO(g) + ½O2(g) NO2(g) (2) 2NO<sub>2</sub>(g) 2NO(g) + O<sub>2</sub>(g) Which one of the following is the correct relationship between the equilibrium constants K<sub>1</sub> and K<sub>2</sub>? A) K<sub>2</sub> = 2/K<sub>1</sub> B) K<sub>2</sub> = (1/K<sub>1</sub>) <sup>2</sup> C) K<sub>2</sub> = -K<sub>1</sub>/2 D) K<sub>2</sub> = 1/(2K<sub>1</sub>) E) K<sub>2</sub> = 1/(2K<sub>1</sub>) <sup>2</sup> NO2(g)
(2) 2NO2(g) Consider the following two equilibria and their respective equilibrium constants: (1) NO(g) + ½O2(g) NO2(g) (2) 2NO<sub>2</sub>(g) 2NO(g) + O<sub>2</sub>(g) Which one of the following is the correct relationship between the equilibrium constants K<sub>1</sub> and K<sub>2</sub>? A) K<sub>2</sub> = 2/K<sub>1</sub> B) K<sub>2</sub> = (1/K<sub>1</sub>) <sup>2</sup> C) K<sub>2</sub> = -K<sub>1</sub>/2 D) K<sub>2</sub> = 1/(2K<sub>1</sub>) E) K<sub>2</sub> = 1/(2K<sub>1</sub>) <sup>2</sup> 2NO(g) + O2(g)
Which one of the following is the correct relationship between the equilibrium constants K1 and K2?


A) K2 = 2/K1
B) K2 = (1/K1) 2
C) K2 = -K1/2
D) K2 = 1/(2K1)
E) K2 = 1/(2K1) 2

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