Equilibrium Constants

Rarely Tested
  • $$K_c = \frac{[C]^c [D]^d}{[A]^a [B]^b} \qquad K_p = \frac{(P_C)^c (P_D)^d}{(P_A)^a (P_B)^b}$$
  • Concept: Expresses the active mass ratio of products to reactants at dynamic equilibrium.
  • Notation:
    • $$[X]$$ = Equilibrium molarity ($$\text{M}$$)
    • $$P_X$$ = Equilibrium partial pressure ($$\text{atm}$$ or $$\text{bar}$$)
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