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3 May, 14:58

Write the equilibrium constant expressions for the following equilibria.

4. CCl4 (g) + HF (g) ⇌ CFCl2 (g) + HCl (g)

5. NH4Cl (s) ⇌ NH3 (g) + HCl (g)

6. SO3 (g) + H2O (1) ⇌ H2SO4 (1)

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  1. 3 May, 17:07
    0
    4. K = [CF₂Cl₂] [HCl]² / [HF]² [CCl₄]

    5. K = [NH₃] [HCl]

    6. K = 1 / [SO₃]

    Explanation:

    Equilibrium constant expressions are defined as the ratio between concentrations of products and concentrations of reactants powered to its reaction quotient (Compounds in solid or liquid phase are not taken in the expression).

    For the reactions:

    4. CCl₄ (g) + 2HF (g) ⇌ CF₂Cl₂ (g) + 2HCl (g)

    Equilibrium expression, K, is:

    K = [CF₂Cl₂] [HCl]² / [HF]² [CCl₄]

    5. NH₄Cl (s) ⇌ NH₃ (g) + HCl (g)

    K = [NH₃] [HCl]

    6. SO₃ (g) + H₂O (l) ⇌ H₂SO₄ (l)

    K = 1 / [SO₃]
  2. 3 May, 18:28
    0
    1. K = [CF2Cl2] [HCl]^2 / [CCl4] [HF]^2

    2. K = [NH3] [HCl] / [NH4Cl]

    3. K = [H2SO4] / [SO3] [H2O]

    Explanation:

    The equilibrium constant for a chemical reaction is simply the ratio of the concentration of the products to that of the reactants

    The equilibrium constant for the reactions are written below.

    1. CCl4 (g) + 2HF (g) ⇌ CF2Cl2 (g) + 2HCl (g)

    K = [CF2Cl2] [HCl]^2 / [CCl4] [HF]^2

    2. NH4Cl (s) ⇌ NH3 (g) + HCl (g)

    K = [NH3] [HCl] / [NH4Cl]

    3. SO3 (g) + H2O (1) ⇌ H2SO4 (1)

    K = [H2SO4] / [SO3] [H2O]
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