Sulfur trioxide is formed from the reaction of sulfur dioxide and oxygen:
SO₂(g) + ½ O₂(g) ⇌ SO₃(g)
At 1000 K, an equilibrium mixture has partial pressures of 0.562 bar SO₂, 0.101 bar O₂, and 0.332 bar SO₃. What is the equilibrium constant Kp for the reaction at this temperature?

Question

Sulfur trioxide is formed from the reaction of sulfur  dioxide and oxygen:
SO2(g) + ½ O2(g) ⇌ SO3(g)
At 1000 K, an  equilibrium mixture has partial pressures of 0.562 bar SO2, 0.101 bar O2, and  0.332 bar SO3. What is the equilibrium constant Kp for the reaction at this  temperature?

Accepted Answer

Correct answer: A.

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