Question

Part A) At 25°C, the reaction: 2ICl(g) + heat ⇌ I2(g) + Cl2(g) has a K value of 6.2 × 10^–6. Which of the following would be true if the temperature were increased to 100°C? 1. The value of K would be larger. 2. The concentration of ICl would increase. 3. The concentration of I2 would increase. a) only 1 b) 1 and 3 c) 1 and 2 d) 2 only e) 3 only Part B) Consider the following reaction system at a given temperature: Br2(g) + Cl2(g) ⇌ 2BrCl(g). When the system is at equilibrium, the molar concentrations of Br2, Cl2, and BrCl are 0.0060 M, 0.0095 M, and 0.015 M, respectively. The value of Kc for this system is a) 27 b) 0.25 c) 3.9 d) 260 e) 53

          Part A) At 25°C, the reaction: 2ICl(g) + heat ⇌ I2(g) + Cl2(g) has a K value of 6.2 × 10^–6.
Which of the following would be true if the temperature were increased to 100°C?
1. The value of K would be larger.
2. The concentration of ICl would increase.
3. The concentration of I2 would increase.
a) only 1 b) 1 and 3 c) 1 and 2 d) 2 only e) 3 only

Part B) Consider the following reaction system at a given temperature:
Br2(g) + Cl2(g) ⇌ 2BrCl(g).
When the system is at equilibrium, the molar concentrations of Br2, Cl2, and BrCl are 0.0060 M, 0.0095 M, and 0.015 M, respectively. The value of Kc for this system is
a) 27 b) 0.25 c) 3.9 d) 260 e) 53

Added by Sean B.

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