At 500°C the Equilibrium Constant, K_p, Is 4

question 73

Multiple Choice

At 500°C the equilibrium constant, K_p, is 4.00 × 10⁻⁴ for the equilibrium: 2HCN(g) ⇄ H₂(g) + C₂N₂(g)
What is K_p for the following reaction?
H₂(g) + C₂N₂(g) ⇄ 2HCN(g)

• A)2.00 × 10 ⁻⁴
• B)−4.00 × 10 ⁻⁴
• C)1.25 × 10 ³
• D)2.50 × 10 ³
• E)4.00 × 10 ⁴

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