The Reaction Rate of a Chemical Reaction Doubles When the Temperature

Multiple Choice

The reaction rate of a chemical reaction doubles when the temperature increases from 10 $^{\circ}$ C to 50 $^{\circ}$ C.What is the activation energy?

A) 3.85 $\times$ 10^-20 J
B) 3.33 $\times$ 10^-20 J
C) 2.98 $\times$ 10^-20 J
D) 2.19 $\times$ 10^-20 J
E) 1.76 $\times$ 10^-20 J