For the Reaction H₂(g) + Br₂(g) 2HBr(g), K_c =

question 111

Multiple Choice

For the reaction H₂(g) + Br₂(g) 2HBr(g) , K_c = 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.

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