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Topic: Question about delta Gibbs and Kp/Kc  (Read 2511 times)

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Offline Blackened

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Question about delta Gibbs and Kp/Kc
« on: January 04, 2012, 09:35:13 AM »
So, I'm studying for a test right now, and I can't seem to find out whether this expression:

e^-(delta gibbs0/RT)

gives Kp or Kc... Can someone help me out?

Offline juanrga

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Re: Question about delta Gibbs and Kp/Kc
« Reply #1 on: January 04, 2012, 03:07:32 PM »
So, I'm studying for a test right now, and I can't seem to find out whether this expression:

e^-(delta gibbs0/RT)

gives Kp or Kc... Can someone help me out?

The Gibbs expression is

 :delta: G0 = - R T ln K

where K is the equilibrium constant defined using activities.

From K you can obtain Kp for gases or Kc for non-ionic reactions in solution.
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