Chemistry

Chemistry

Problem

For a particular isotope, plotting

\ln A

against time yields a straight line with slope

-0.025\,\text{s}^{-1}

. Calculate the half-life of the isotope. a)

40\,\text{s}

b)

28\,\text{s}

c)

0.025\,\text{s}

d)

12\,\text{s}

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