engineering chemistry MCQ #2130

For the reaction N2 + 3H2 ⇌ 2NH3, if the equilibrium constant Kc is 4, what is Kp at 27°C?

engineering chemistry MCQ #2130

  1. Question 1

    Q1. For the reaction N2 + 3H2 ⇌ 2NH3, if the equilibrium constant Kc is 4, what is Kp at 27°C?

    • A) 4 / (0.0821 × 300)²
    • B) 4 × (0.0821 × 300)²
    • C) 4 × (0.0821 × 300)^-2
    • D) 4 / (0.0821 × 300)^-2

    Answer: 4 × (0.0821 × 300)^-2

    Explanation: Kp = Kc(RT)^Δn, Δn = 2 - 4 = -2, so Kp = 4 × (0.0821 × 300)^-2