Chapter 12, Problem 2QP

Match the key terms with the descriptions provided.

(a) the highest-energy chemical species that is formed as reactants convert to products

(b) a protein molecule that acts as a catalyst to a specific reaction or a narrow range of reactions

(c) a state where the rates of the forward reaction and the reverse reaction are equal, so the net amounts of reactants and products do not change

(d) an equilibrium in which reactants and products are not all in the same physical state

(e) a measure of how fast reactants are converted to products, described as the change in concentration of a reactant or product per unit time

(f) a substance that changes the rate of a reaction, but can be recovered unchanged after the reaction