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

question 33

Multiple Choice

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