Consider This Reaction at Equilibrium at a Total Pressure P₁

question 37

Multiple Choice

Consider this reaction at equilibrium at a total pressure P₁: 2SO₂(g) + O₂(g) ⇌ 2SO₃(g)
Suppose the volume of this system is compressed to one-half its initial volume and then equilibrium is reestablished. The new equilibrium total pressure will be

• A) twice P₁.
• B) three times P₁.
• C) 3.5 P₁.
• D) less than twice P₁.
• E) unchanged.

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