Reaction Quotient and Equilibrium Shift
A 1.0 L vessel contains a mixture of H₂(g), I₂(g), and HI(g) at equilibrium at 700 K. For the reaction 2HI(g) ⇌ H₂(g) + I₂(g), the equilibrium constant, K_c, is 0.016. If an additional 0.10 mol of HI(g) is added to the vessel, which statement correctly describes the response of the system?
A
Q = K; concentration changes but equilibrium position remains
B
Q < K; some added HI decomposes until Q = K
C
Q < K; H2 and I2 combine to form more HI
D
Q > K; some added HI decomposes until Q = K
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