Equilibrium Constant, Reaction Quotient, Law of Mass Action - Chemistry

This video explains the equilibrium constant, including definition, formula, expression in terms of concentration and partial pressure, worked example and practice question. You will understand what is meant by it and what the kc value tells you.

0:00 Reaction quotient and equilibrium constant
2:34 Deriving the equilibrium constant, law of mass action
4:35 Worked example