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A certain first-order reaction has a rate constant of 2.30×10−2 s−1 at 25 ∘C . What...

A certain first-order reaction has a rate constant of 2.30×10−2 s−1 at 25 ∘C . What is the value of k at 63 ∘C if Ea = 74.0 kJ/mol ?

Express your answer using two significant figures.

Part B

Another first-order reaction also has a rate constant of 2.30×10−2 s−1 at 25 ∘C . What is the value of k at 63 ∘C if Ea = 128 kJ/mol ?

Express your answer using two significant figures.

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