Consider a chemical reaction which has achieved a state of equilibrium. Which of the following statements are true in this equilibrium state? (Mark all that apply.) A. The concentrations of reactants and prodcuts are still changing with time. B. The concentrations of reactants and products is no longer changing with time. C. The rate of the forward reaction is greater than that of the reverse reaction. D. The rate of the reverse reaction is greater than that of the forward reaction. E. The rates of the forward and reverse reactions are equal.