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A diatomic molecule (0.500 m) dissociates in a first order reaction with a rate constant, k, of 0.0775 sâ1. what is the half-life of this reaction? hints

A diatomic molecule (0.500 m) dissociates in a first order reaction with a rate constant, k, of 0.0775 sâ1. what is the half-life of this reaction? hints
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A diatomic molecule (0.500 m) dissociates in a first order reaction with a rate constant, k, of 0.0775 sâ1. what is the half-life of this reaction? hints

User Bofjas
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1 Answer

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The half-life of the reaction is ln 2 / k

= ln 2 / (0.0775 s-1)

= 0.693 s / 0.0775

= 8.94 s
User Parissa
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