In reversible reactions, equilibrium is reached when the rates of forward and reverse reactions are equal. Le Chatelier's principle describes how systems at equilibrium respond to disturbances.
False: A complete, irreversible reaction does not have a point of equilibrium. Equilibrium is reached in reversible reactions where the rates of the forward and reverse reactions become equal, resulting in a constant composition of reactants and products over time.
For example, consider the reaction A ⟷ B. Once the rates of the forward (A to B) and reverse (B to A) reactions are equal, equilibrium is established where A and B concentrations stabilize.
Le Chatelier's principle explains how systems at equilibrium respond to changes, shifting the equilibrium position to counteract external stresses.
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