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KineticsMCQ

For the reaction A → B that is first-order in A, the rate constant is 2.08×10–2 s–1. How long would Kinetics Chemistry Question

Question

For the reaction A → B that is first-order in A, the rate constant is 2.08×10–2 s–1. How long would it take for [A] to change from 0.100 M to 0.0450 M?

A.

0.0166 s

B.

16.7 s

C.

38.4 s

✓ Correct
D.

107 s

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