Nitrogen gas can be combined with oxygen gas to form nitrogen dioxide gas (NO2). Using this information and the reactions below, determine the overall enthalpy for this reaction using Hess’s Law. Work must be shown in order to earn credit.N2 (g) + 3H2 (g) → 2NH3 (g) ΔH = -112.3 kJ2 NH3 (g) + 4 H2O (l) → 2 NO2 (g) + 7 H2 (g) ΔH = -144.9 kJH2O (l) → H2 (g) + ½ O2 (g) ΔH = -48.0 kJ
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