Essential Chemistry for IGCSE - Chemical Reactions (Section 3 - No. 20)
What are the essential requirements for a chemical reaction to be considered at equilibrium?
The forward and reverse reactions proceed at the same rate.
The concentrations of reactants and products remain constant.
The reaction has gone to completion.
The system is closed.
Explanation
Equilibrium requires equal rates, constant concentrations, and a closed system.
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