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Topic: 1/4th Life expression for First Order Rxn  (Read 2424 times)

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Offline [V]

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1/4th Life expression for First Order Rxn
« on: November 06, 2010, 01:09:21 AM »
I must derive the 1/4th life expression for a first order rxn.



do I set ?



What am I doing wrong here? The answer is allegedly

However, this answer key has been wrong before. Can someone please confirm/deny this?

Thank you
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Offline Schrödinger

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Re: 1/4th Life expression for First Order Rxn
« Reply #1 on: November 06, 2010, 12:40:28 PM »
You were asked to find t1/4. Why did you set t = 1/4?

t1/4 = (ln4)/k.

That would be the final answer
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