The Equilibrium Constant, Kp, for the Reaction CO(g) + H₂O(g)

question 10

Multiple Choice

The equilibrium constant, Kp, for the reaction CO(g) + H₂O(g) CO₂(g) + H₂(g)
At 986°C is 0.63. A rigid cylinder at that temperature contains 1.2 atm of carbon monoxide, 0.20 atm of water vapor, 0.30 atm of carbon dioxide, and 0.27 atm of hydrogen. Is the system at equilibrium?

• A) Yes.
• B) No, the forward reaction must proceed to establish equilibrium.
• C) No, the reverse reaction must proceed to establish equilibrium.
• D) Need to know the volume of the container before deciding.
• E) Need to know the starting concentrations of all substances before deciding.

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