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Which of the following is a true statement about chemical equilibria in general? equilibrium [products] = [reactants].

Which of the following is a true statement about chemical equilibria in general? A. At equilibrium the total concentration of products equals the total concentration of reactants, that is, [products] = [reactants]. B. Equilibrium is the result of the cessation of all chemical change. C. There is only one set of equilibrium concentrations that equals the Kc value. D. At equilibrium, the rate constant of the forward reaction is equal to the rate constant for the reverse reaction. E. At equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction.

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Answer #1

E. At equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction.

generallyIn a chemical reaction, chemical equilibrium is the state in which both reactants and products are present in concentrations which have no further tendency to change with time. Usually, this state results when the forward reaction proceeds at the same rate as the reverse reaction.

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