For the Equilibrium Reaction 2SO₂(g)+ O₂(g) 2SO₃(g) $\Delta$

question 14

Multiple Choice

For the equilibrium reaction 2SO₂(g) + O₂(g) 2SO₃(g) , $\Delta$ Hº_rxn = -198 kJ/mol. Which one of these factors would cause the equilibrium constant to increase?

• A)Decrease the temperature.
• B)Add SO₂ gas.
• C)Remove O₂ gas.
• D)Add a catalyst.
• E)None of these.

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