Use the Δ_fH° and Δ_rH° information Provided to Calculate Δ_fH°

question 1

Multiple Choice

Use the Δ_fH° and Δ_rH° information provided to calculate Δ_fH° for SO₃(g) : Δ_fH° (kJ mol^-1₎ 2SO₂(g) + O₂(g) → 2SO₃(g) Δ_rH° = -198 kJ
SO₂(g) -297

• A)-792 kJ mol^-1
• B)-248 kJ mol^-1
• C)-495 kJ mol^-1
• D)-578 kJ mol^-1
• E)-396 kJ mol^-1

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