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A first order reaction is found to have ...

A first order reaction is found to have a rate constant, k=`5.5 xx 10^-14 s^-1`.Find the half-life of the reaction.

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Half-life for a first order reaction is
t_1/2 = 0.6963/k t_1/2 = 0.693/5.5`xx`10^-14s^-1 = 1.26 `xx` 10^13s
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