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Different K's

Posted: Sat Jan 11, 2020 9:49 pm
by Drew Myers 4G
When are we supposed to use Kp, and when are we supposed to use Kc?

Re: Different K's

Posted: Sat Jan 11, 2020 10:02 pm
by Shutong Hou_1F
I think that when the reactants and products, except pure liquids and solids, are all gases, we should use Kp, whereas using Kc is also okay. But when they are not. we can only use Kc.

Re: Different K's

Posted: Sat Jan 11, 2020 10:40 pm
by Lauren Stack 1C
I believe the Kc and Kp stand for Kc (concentration) and Kp (pressure) respectively. Thus you can use Kc or Kp for gases, as they can be represented as either, but for aqueous solutions you can only denote them using concentration (Kc)

Re: Different K's

Posted: Sun Jan 12, 2020 12:34 am
by Noe BM 1J
Kc is the equilibrium constant when using concentrations and Kp is for when using pressures.

Re: Different K's

Posted: Sun Jan 12, 2020 2:21 am
by VioletKo3F
The c in Kc stands for concentration while the p in Kp stands for pressure. It just depends on which you are using to determine the K.

Re: Different K's

Posted: Sun Jan 12, 2020 7:58 am
by Ayushi2011
Kp is equilibrium constant for pressure whereas Kc is for concentrations.