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### Topic: Q, Kc & Kp Conceptual problem.  (Read 2098 times)

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#### [V]

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##### Q, Kc & Kp Conceptual problem.
« on: November 06, 2010, 01:22:17 AM »
I am given $$\Delta H^{\circ} /$$ &  $$\Delta S^{\circ} /$$, and Temp (K)

I need to calculate $$K_{p} /$$ at the given Temp (K).
I can solve for  $$\Delta G^{\circ} /$$
then use this this equation:
$$\Delta G = \Delta G^{\circ} + RTlnQ /$$

I just set $$\Delta G=0 /$$ & solve for "Q".

My question is, will this Q value = $$K_{p} /$$  or $$K_{c} /$$ ?

#### rabolisk

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##### Re: Q, Kc & Kp Conceptual problem.
« Reply #1 on: November 06, 2010, 01:34:41 PM »
$request=http://www.forkosh.dreamhost.com/mimetex.cgi?{%20K_{c}%20}&hash=1843add539eee9a17439a22cf54bb5c3$

There is a conversion between $request=http://www.forkosh.dreamhost.com/mimetex.cgi?{%20K_{c}%20}&hash=1843add539eee9a17439a22cf54bb5c3$ and $request=http://www.forkosh.dreamhost.com/mimetex.cgi?{%20K_{p}%20}&hash=cb7e5befc84e6eea4ef8c81cc5ff15af$

#### [V]

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##### Re: Q, Kc & Kp Conceptual problem.
« Reply #2 on: November 06, 2010, 01:58:46 PM »
Thank you.

I'm reading several different sources, some claim its kc some say its kp.

can you please explain why it is kc?