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If the half-life period for a first orde...

If the half-life period for a first order reaction is 69.3 seconds, what is the value of its rate constant ?

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For a first order reaction
` t_(0.5) = ( 0.693 )/(k ) k= ( 0.693 )/( t_(1//2)) = ( 0.69 )/( 69.3 s) = 10^(-2) s^(-1)`
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