Using Two or More of the Following

question 87

Multiple Choice

Using two or more of the following,
N₂(g) +
O₂(g) → N₂O₃(s) ; ΔH° = 83.7 kJ
N₂(g) + O₂(g) → 2NO(g) ; ΔH° = 180.4 kJ
N₂(g) + O₂(g) → NO₂(g) ; ΔH° = 33.2 kJ
N₂(g) +
H₂(g) → NH₃(g) ; ΔH° = −45.9 kJ
Determine ΔH° for the following reaction.
NO(g) + NO₂(g) → N₂O₃(g)

• A)-39.7 kJ
• B)24.3 kJ
• C)-207.1 kJ
• D)39.7 kJ
• E)207.1 kJ

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