Which of the Following Processes Is Endothermic, Given the Following $\rarr$

question 32

Multiple Choice

Which of the following processes is endothermic, given the following:
S(s) + O₂(g) $\rarr$ SO₂(g) $\Delta$ H = -299 kJ/mol
S(s) + 3/2 O₂(g) $\rarr$ SO₃(g) $\Delta$ H = -395 kJ/mol

• A) 2 S(s) + 2 O₂(g) \(\rarr\)2 SO₂(g)
• B) ½ S(s) + ½ O₂(g) \(\rarr\)½ SO₂(g)
• C) 2 S(s) + 5/2 O₂(g) \(\rarr\) SO₂(g) + SO₃(g)
• D) SO₃(g) \(\rarr\)S(s) + 3/2 O₂(g)
• E) 2 S(s) + 3 O₂(g) \(\rarr\)2 SO₃(g)

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