The frequency factor for a reaction is 1.72x10^10 s^−1.If the rate constant is 5.63x10^4 s^−1 at...

Question

Question

The frequency factor for a reaction is 1.72x10^10 s^−1.If the rate constant is 5.63x10^4 s^−1 at 300 K, what will the rate constant be at 400K?

a)7.49x106s−1

b)3.96x105s−1

c)4.22x107s−1

d)2.62x104s−1

e)1.32x106s−1

science chemistry

Answer 1

Answer #1

(Arrehenius enation) - Ea/RT K= e-Ea/RT at 3ook 5.63 x 10 5 1.72 x 10s en 5.63x104 - e - Ea/RT 1.72 x 100 3.27x100 - Ea/R

Answer 2

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