Explain the heat of formation of no2(g)

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Ammonia burns in oxygen according to: 4NH3(g) + 7O2(g) ? 4NO2(g) + 6H2O(l) ??H?_rxn^o=-1396 kJ given ?H_f^o(NH3)g = -46 kJ/mol and ?H_f^o(H2O)l = -286 kJ/mol the heat of formation of NO2(g) ?H_f^o(NO2)g (in kJ/mol) is: A) +48 B) -48 C) +34 D) -29

Reference no: EM13336216

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Explain the heat of formation of no2(g) : Ammonia burns in oxygen according to: 4NH3(g) + 7O2(g) ? 4NO2(g) + 6H2O(l) ??H?_rxn^o=-1396 kJ given ?H_f^o(NH3)g = -46 kJ/mol and ?H_f^o(H2O)l = -286 kJ/mol the heat of formation of NO2(g) ?H_f^o(NO2)g (in kJ/mol) is: A) +48 B) -48 C) +34 D) -29
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