Consider the reaction cap h sub 2 of g plus cap i sub 2 times g if and only if HI times g with an equilibrium constant of 46 point 3 and a reaction quotient of 525 Which direction will the system shift to?

Compare the reaction quotient, Q = 525, with the equilibrium constant, K = 46.3. Because Q is greater than K, there are too many products relative to the equilibrium ratio, so the reaction shifts left and favors the reactants. The correct choice is “The equilibrium will shift to the left to favor the reactants.”

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