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24 May, 15:00

The rate constant for the decomposition of n2o is 2.30 s-1. What is the half-life of the decomposition?

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  1. 24 May, 18:19
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    0.3 s.

    Explanation:

    Half-life of a first order reaction is defined as the the time taken for any fraction of the reaction to complete is independent of the initial concentration.

    Half-life of a first order reaction, t° = 0.693/k

    where,

    t° = half-life of the reaction

    k = rate constant

    = 2.3 s^-1

    Therefore,

    t° = 0.693/2.3

    = 0.30 s.
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