A chemical reaction is at equilibrium when
A) no reactants are changing to products.
B) the forward and reverse reactions proceed at the same rate.
C) the total mass has become constant.
D) the temperature is no longer changing.

Question

Quizplus · Accepted Answer

At equilibrium, the rate of the forward reaction equals the rate of the reverse reaction, meaning that the concentrations of reactants and products remain constant over time, not that the reaction has stopped.

A Chemical Reaction Is at Equilibrium When