use the following reaction: N2(g) + 3H2(g) → 2NH3 (g). Delta H= -115K 2NH(g) +4H2(g) ->2NO2(g) +7H2 delta h= -142.5kj H2O(l)-> h2+1/2O2 deltaH=-43.7kJ determine DH of this reaction N2g+2O2g-> 2NO2g

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