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12 February, 02:57

The half-life of phosphorus-32 is 14.26 days. Calculate its decay constant.

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  1. 12 February, 03:00
    0
    5.62 x 10^-7 sec-1

    Explanation:

    Converting days to seconds:

    14.26 x 24x60x60 = 1.27 x 10^6

    Half life = 0.693 / Decay constant

    so

    Decay constant = 0.693/1.27x 10^6

    = 5.62 x 10^-7
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