Chemistry

Problem

Two alternative routes produce 2 mol of NO₂(g): • Route A: 2 NO(g) + O₂(g) → 2 NO₂(g) ΔH₁ = −113.1 kJ • Route B: N₂(g) + 2 O₂(g) → 2 NO₂(g) ΔH_overall = +66.4 kJ Determine ΔH for the reaction N₂(g) + O₂(g) → 2 NO(g).

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