Use the ΔH°_f and ΔH°_rxn information Provided to Calculate ΔH°_f

question 34

Multiple Choice

Use the ΔH°_f and ΔH°_rxn information provided to calculate ΔH°_f for SO₃(g) : ΔH°_{f (kJ/mol)} 2 SO₂(g) + O₂(g) → 2 SO₃(g) ΔH°_rxn = -198 kJ
SO₂(g) -297

• A) -792 kJ/mol
• B) -248 kJ/mol
• C) -495 kJ/mol
• D) -578 kJ/mol
• E) -396 kJ/mol

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