If the concentration of A is doubled, the rate of a reaction increases by 4 times. If the concentrations of both A and B are doubled, the rate increases by 8 times. What is the differential rate equation of the reaction?
a) Rate = k[A][B]
b) Rate = k[A]²[B]²
c) Rate = k[A]²[B]
d) Rate = k[A][B]²
