Question

With a catalyst present, the rate of a particular reaction is 65 times faster than without...

With a catalyst present, the rate of a particular reaction is 65 times faster than without the catalyst. If the catalyst is known to decrease the activation energy by 15.0 kJ moI-1, at what temperature (K) did the reaction occur?

A. 432

B. 275

C. 722

D. 301

E. 309

0 0
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Answer #1

The Arrhenius equation for the reaction: K=Aeš =lnk=_Ea +In A At constant temperature: In Kl = -Ea, +Ea, 4.17 = K RT 15.0x10

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