Posted by **Anonymous** on Friday, January 11, 2013 at 5:27am.

The rate constants for a first order decay reaction are found to be:

k287.3∘C=1 x 10−4 s−1

k327.4∘C=19.2 x 10−4 s−1

a) Determine the value, in s-1 of k250∘C

(b) How long will it take, at 350 ∘C, for the reactant to decay to 1% of its original concentration? Express your answer in seconds.

- chemistry -
**Anonymous**, Friday, January 11, 2013 at 6:20am
a-4.2623*10^-6

b-536.42

- chemistry -
**lena**, Friday, January 11, 2013 at 6:53am
thanks a lotttttttt

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