is Kc the same as Kp? GenChem

[joonkimdds]

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I was going over the destroyer problems and found a problem asking me to find Kp. I forgot what it was and refreshed my memory.
And then I went back to the genchem textbook I used in college and it only has Kc. I don't know if there is Kp somewhere in the textbook but all i could find was Kc. Ironically all the Kc problem that they listed in the book had the exact same method as finding Kp from destroyer.

Does this mean Kc is the same as Kp?
and is K (without c or p) also the same as those two above?

 

[harrygt]

kp =kc*(RT)^n ]
n= [Number of moles of products in the GAS phase] - [numer of moles of reactants in the GAS phase]

Kp = is calculated based on the partial pressure of the gases in equil.
Kc = is calculated based on molarity