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Applying Hess’s Law, from the enthalpies of reactions, N2(g) + 3H2(g) → 2 NH3(g) ΔH =...

Applying Hess’s Law, from the enthalpies of reactions,

N2(g) + 3H2(g) → 2 NH3(g) ΔH = − 91.8 kJ

O2(g) + 2H2(g) → 2H2O (g) ΔH = − 483.7 kJ

N2(g) + O2(g) → 2NO(g) ΔH = 180.6 kJ

Calculate the enthalpy change (ΔHrxn) for the reaction: 4NH3(g) + 5O2(g) → 4 NO (g) + 6H2O(g)

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