If a Reaction Is First-Order with Respect to Each of Its

Multiple Choice

If a reaction is first-order with respect to each of its two reactants, then the rate of the reaction is

A) inversely proportional to the concentration of each reactant
B) directly proportional to the concentration of one reactant and inversely proportional to the concentration of the other reactant
C) directly proportional to the inverse of the concentration of each of the two reactants
D) unaffected by concentration as long as the concentrations of the two reactants are always equal to one another
E) directly proportional to the concentration of each reactant