The Reaction of 8

question 8

Multiple Choice

The reaction of 8.00 g of SO₂ (g) burns in excess oxygen. 9.85 kJ of heat are released. What is D H for the following thermochemical equation?
2 SO₂ (g) + O₂ (g) →2 SO₃ (g)

• A) - 1.58×10² kJ
• B) - 78.8 kJ
• C) - 39.4 kJ
• D) +78.8 kJ
• E) none of these

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