Equilibrium constant Kc
Equilibrium constant Kc
Formula
Kc = [C]ᶜ[D]ᵈ / [A]ᵃ[B]ᵇ
Real World
The production of ethyl ethanoate (used in nail varnish remover) by esterification has a Kc of approximately 4 at room temperature — meaning significant amounts of both reactants and products coexist at equilibrium, so industrial processes must remove product continuously.
Exam Focus
Pure solids and pure liquids are omitted from the Kc expression — always check the equation state symbols before writing your expression.
How well did you know this?