Solutions, acids, and equilibrium

Equilibrium constant and reaction quotient

K = [C]c[D]d/[A]a[B]b

concentrations at equilibrium (K) or at any moment (Q); leave out pure solids and liquids

Watch forQ less than K: forward. Q greater than K: reverse. Only temperature changes K.

Apply it · 2 questions

  1. Reaction quotient vs. equilibrium constantThermodynamics, kinetics, and equilibrium · set 1 · medium
  2. Calculating Q to predict directionThermodynamics, kinetics, and equilibrium · set 2 · hard