Calculate the Heat Released (KJ) in the Reaction of 2 $\rarr$

question 59

Multiple Choice

Calculate the heat released (kJ) in the reaction of 2.20 g of sulfur dioxide gas and excess oxygen gas to form sulfur trioxide gas: 2SO₂(g) + O₂(g) $\rarr$ 2SO₃(g)
Given:
S(s) + O₂(g) $\rarr$ SO₂(g) $\Delta$ H = -299 kJ/mol
S(s) + 3/2O₂(g) $\rarr$ SO₃(g) $\Delta$ H = -395 kJ/mol

• A) 3.10 kJ
• B) 3.20 kJ
• C) 3.30 kJ
• D) 3.40 kJ
• E) None of the above

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