What does the term ‘equilibrium’ mean in a chemical reaction?

A. Reactants are completely converted to products
B. The rates of the forward and reverse reactions are equal
C. All reactants are in the gaseous state
D. No further reactions can occur

Answer: The rates of the forward and reverse reactions are equal


Additional Information: At equilibrium, the concentrations of reactants and products remain constant because the rates of the forward and reverse reactions are equal.