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The rate constant,k, for a first order reaction is equal to 4.2x10^-4 s-1. What is the...

The rate constant,k, for a first order reaction is equal to 4.2x10^-4 s-1. What is the half life for the reaction?
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Answer #1

first order reaction

K = 0.693/T1/2

T1/2 = half-life time = 0.693/k

                               = 0.693/(4.2*10^-4)

                               = 1650 sec

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