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A reaction reaches equilibrium

A reaction reaches equilibrium. Solids and liquids never appear in equilibrium expressions. P 4 ( s) + 6Cl 2 (g ) ⇌ 4PCl 3 (l ). K eq = . [Cl 2 ] 6.

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A reaction reaches equilibrium

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  1. A reaction reaches equilibrium

  2. Solids and liquids never appear in equilibrium expressions P4 (s) + 6Cl2 (g) ⇌ 4PCl3 (l) Keq = [Cl2]6 By convention, the constant concentrations of pure solids and liquids are understood to be incorporated into the equilibrium constant itself and left out of the equilibrium constant expression.

  3. P4 (s) + 6Cl2 (g) ⇌ 4PCl3 (l)

  4. The composition of equilibrium mixture is independent of amount of solid present, as long as some is always present.

  5. Reaction Quotient Q = 0 Keq Q = ∞ Q < K Reaction shifts right to form more products. Q = K System is at equilibrium. Q > K Reaction shits left to form more reactants. (reactants only) (products only) Increasing Q

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