Which of the Following Statements Is Always True

Multiple Choice

Which of the following statements is always true?

A) Exothermic reactions have lower activation energies than endothermic reactions.
B) The rate of a catalyzed reaction is independent of the concentration of the catalyst.
C) The rate for a reaction depends on the concentrations of all the reactants.
D) The rate constant is independent of the concentrations of the reacting species.
E) The rate law can be determined from the stoichiometric equation.