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The rate constant of a first-order process that has a half-life of 225 s is ?????? s-1.

ok so i divided

half life of 1st order= 0.693/K

k i put 225

and i got 3.08 x 10^-3
is that right?

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1 answer

  1. Yes and no.
    Yes, you have the right answer.
    No, k is not 225. t1/2 is 225.
    k = 0.693/t1/2
    k = 0.693/225 = 3.08E-3

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