The Equilibrium Constant,K_p ,For the Reaction

question 57

Multiple Choice

The equilibrium constant,K_p ,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)The volume of the container must be known before deciding.
• E)The starting concentrations of all substances must be known before deciding.

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