30.
A reaction has a rate constant k= 8.54 x 10^-4 M^-15^-1 at 45 C and activation energy E= 90.8 KJ. What is value of k at 25 C?
A:
4.46 x 10^-5 M^-1
B:
5^-1 8.54 x 10^-5 M^-1 5^-1
C:
8.52 x 10%-4 M^-1 5^-1
D:
8.54 x 10^-3 M^-1 5^-1
The answer is:
B
