The Activation Energy of a Certain Uncatalyzed Reaction Is 64

question 12

Multiple Choice

The activation energy of a certain uncatalyzed reaction is 64 kJ/mol.In the presence of a catalyst, the E_a is 55 kJ/mol.How many times faster is the catalyzed than the uncatalyzed reaction at 400°C? Assume that the frequency factor remains the same.

• A)5.0 times
• B)1.16 times
• C)15 times
• D)2.0 times
• E)0.2 times

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