Answer
In a dynamic equilibrium between a liquid and a vapor, the rate of evaporation of the liquid equals the rate of condensation of the vapor. There is no net change in the number of particles in the liquid or the vapor.
Work Step by Step
In a dynamic equilibrium between a liquid and a vapor, the rate of evaporation of the liquid equals the rate of condensation of the vapor. There is no net change in the number of particles in the liquid or the vapor.