What is the equilibrium constant expression for the reaction N2(g) + 3H2(g) ⇌ 2N

Practice Questions

Q1
What is the equilibrium constant expression for the reaction N2(g) + 3H2(g) ⇌ 2NH3(g)?
  1. Kc = [NH3]^2 / ([N2][H2]^3)
  2. Kc = [N2][H2]^3 / [NH3]^2
  3. Kc = [NH3]^2 / [N2][H2]
  4. Kc = [N2][H2] / [NH3]^2

Questions & Step-by-Step Solutions

What is the equilibrium constant expression for the reaction N2(g) + 3H2(g) ⇌ 2NH3(g)?
  • Step 1: Identify the reactants and products in the reaction. Here, the reactants are N2 and H2, and the product is NH3.
  • Step 2: Write the general form of the equilibrium constant expression, Kc = [products]^[coefficients] / [reactants]^[coefficients].
  • Step 3: For the given reaction, the products are 2NH3, so we write [NH3]^2.
  • Step 4: The reactants are N2 and 3H2, so we write [N2] and [H2]^3.
  • Step 5: Combine these into the Kc expression: Kc = [NH3]^2 / ([N2] * [H2]^3).
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