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

question 108

Multiple Choice

Which of the following processes is exothermic, given the following: N₂(g) + 2 O₂(g) $\rarr$ N₂O₄(l) $\Delta$ H ^$\circ$ = 9.67 kJ/mol
N₂(g) + 2 O₂(g) $\rarr$ 2 NO₂(g) $\Delta$ H ^$\circ$ = 67.70 kJ/mol

• A) 2 N₂(g) + 4 O₂(g) \(\rarr\) 2 N₂O₄(l)
• B) ½ N₂(g) + O₂(g) \(\rarr\) ½ N₂O₄(l)
• C) N₂O₄(l) \(\rarr\)N₂(g) + 2 O₂(g)
• D) 2 N₂(g) + 4 O₂(g) \(\rarr\) 2 NO₂(g) + N₂O₄(l)
• E) 2 N₂(g) + 4 O₂(g) \(\rarr\) 4 NO₂(g)

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