Kc vs K

[Rita Chen 1B]

Whats the difference between Kc and K?

[Robin Cadd 1D]

K refers to the equilibrium constant. Kc is the equilibrium constant calculated by using concentrations. Basically, Kc is a subset of K.

[Rita Chen 1B]

So when do we use K and when do we use Kc? When will we need to convert and how do we convert it?

[Eunice Nguyen 4I]

So when do we use K and when do we use Kc? When will we need to convert and how do we convert it?

You use Kc when dealing with molar concentrations when you're figuring out the equilibrium constant. You don't really convert between K and Kc, because as the previous answer stated, Kc is basically a subset of K.

[Rita Chen 1B]

But what if the Kc and K are different? Will we usually be given K or Kc depending on which one we use?

[stephaniekim2K]

Kc is the equilibrium constant that's calculated by the concentrations but it is calculated the same way as just "K."

[Sam McNeill 1E]

I was confused on this as well, the textbook made it seem like there were different values for K and Kc?

[Kaylee Clarke 1G]

K is indicative of equilibrium and can be used with many subscripts. So, K can be applied to many equilibrium forms but Kc is simply the equilibrium constant.