Which statement about chemical equilibria implies that they are dynamic?

CHEMISTRY · Single correct · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

Which statement about chemical equilibria implies that they are dynamic? (1) The position of equilibrium constantly changes. (2) The rates of forward and backward reactions change. (3) The reactants and products continue to react. (4) The concentrations of the reactants and products continue to change.

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