For the reaction H2(g) + Br2(g) ![For the reaction H<sub>2</sub>(g) + Br<sub>2</sub>(g) 2HBr(g) , K<sub>c</sub> = 81.4 at 385ºC. If [H<sub>2</sub>] = [Br<sub>2</sub>] = [HBr] = 2.4 × 10<sup>-4</sup><sup>M</sup> at 385ºC, which one of the following is correct? A) [H<sub>2</sub>] and [HBr] decrease as the system moves toward equilibrium. B) The system is at equilibrium. C) [H<sub>2</sub>] and [Br<sub>2</sub>] increase as the system approaches equilibrium. D) [HBr] increases as the system approaches equilibrium. E) [HBr] and [Br<sub>2</sub>] increases as the system approaches equilibrium.](https://d2lvgg3v3hfg70.cloudfront.net/TB8482/11eb6c5c_3a84_1da1_8d9d_f78a4f21a64e_TB8482_11.jpg)
2HBr(g) , Kc = 81.4 at 385ºC. If [H2] = [Br2] = [HBr] = 2.4 × 10-4M at 385ºC, which one of the following is correct?
A) [H2] and [HBr] decrease as the system moves toward equilibrium.
B) The system is at equilibrium.
C) [H2] and [Br2] increase as the system approaches equilibrium.
D) [HBr] increases as the system approaches equilibrium.
E) [HBr] and [Br2] increases as the system approaches equilibrium.
Correct Answer:
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