Essential Chemistry for IGCSE - Chemical Reactions (Section 1 - No. 23)
What is a defining feature of a system at equilibrium?
The forward and reverse reaction rates are equal.
The macroscopic properties are constant.
The reaction has stopped.
The concentrations of reactants and products are equal.
Explanation
At equilibrium, the rates of the forward and reverse reactions are equal, leading to constant macroscopic properties.
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