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Topic: A basic reaction kinetics question - Please help :(  (Read 3324 times)

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Offline weeman75

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A basic reaction kinetics question - Please help :(
« on: October 18, 2009, 05:22:51 AM »
For a reaction aA → products, the initial concentration of A, [A]0 = 5 M, and the first half-life is 74 s and the second half-life is 37 s.What is the concentration of A (in M) after t=90 s?

Thanks everyone
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Offline sjb

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Re: A basic reaction kinetics question - Please help :(
« Reply #1 on: October 18, 2009, 08:38:44 AM »
So the ratio of concentration and half-life is constant. What does that tell you about the order of the reaction?
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Offline weeman75

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Re: A basic reaction kinetics question - Please help :(
« Reply #2 on: October 19, 2009, 01:08:02 AM »
I'm after a solution..I'm so lost on how to do this one
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Offline sjb

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Re: A basic reaction kinetics question - Please help :(
« Reply #3 on: October 21, 2009, 11:32:44 AM »
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