Consider this equilibrium reaction at 400 K.
Br2 (g) + Cl2 (g) ⇌ 2BrCl (g) Kc = 7.0
If the composition of the reaction mixture at 400 K is [BrCl] = 0.00415 M, [Br2] = 0.00366 M, and [Cl2] = 0.000672 M, what is the reaction quotient, Q?
How is the reaction quotient related to the equilibrium constant, Kc, for this reaction?
(i) Q < K
(ii) Q > K
(iii) Q = K
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