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Cintia
a) N2(g) + 2 H2(g) → N2H4(l) ΔH= +51 kJ
b) N2(g) + 3 H2(g) → 2 NH3(g) ΔH= -92 kJ
c) H2 + O2 → H2O2 ΔH= -1236 kJ
d) N2(g) + 2 O2(g) → 2 NO2(g) ΔH= +66 kJ
e) 2 HCl + 150 kJ → H2 + Cl2
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