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A first order of reaction is found to ha...

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

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`t_(1/2) = (0.693)/(k)`
`= (0.693)/(5.5 xx 10^(-14)) = 1.26 xx 10^(163)sec`
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