From the Following Thermochemical Equations, Calculate ΔH°rxn for the Reaction

question 101

Multiple Choice

From the following thermochemical equations, calculate ΔH°rxn for the reaction:
SO₂(g) + NO₂(g) → SO₃(g) + NO(g)
2 SO₂(g) + O₂(g) → 2 SO₃(g) ΔH°rxn = -197.8 kJ
2 NO(g) + O₂(g) → 2 NO₂(g) ΔH°rxn = -114.14 kJ

• A) -83.66 kJ
• B) -311.9 kJ
• C) +155.9 kJ
• D) -155.9 kJ
• E) -41.83 kJ

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