Consider This Reaction at Equilibrium at a Total Pressure: 2H₂O(g)

question 63

Multiple Choice

Consider this reaction at equilibrium at a total pressure: 2H₂O(g) + O₂(g) 2H₂O₂(g)
Suppose the volume of this system is twice its initial volume and then equilibrium is reestablished.The new equilibrium total pressure will be

• A)more than half the total initial pressure.
• B)twice the total pressure.
• C)less than half the total initial pressure.
• D)unchanged.
• E)exactly one half of the initial total pressure.

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