Solution: Given the data N2 (g) + O2 (g) → 2 NO (g) ΔH = +1...

Given the data
N₂ (g) + O₂ (g) → 2 NO (g) ΔH = +180.7 kJ
2 NO (g) + O₂ (g) → 2 NO₂ (g) ΔH = -113.1 kJ
2 N₂O (g) → 2 N₂ (g) + O₂ (g) ΔH = -163.2 kJ

use Hess’s law to calculate ΔH for the reaction
N₂O (g) + NO₂ (g) → 3 NO (g)

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