Determine the change in enthalpy for the following reaction from the enthalpies of formation for the reactants and products.(NH3 , - 46 kJ/mol; NO2 , +33 kJ/mol; H2 O, - 286 kJ/mol)
2 NO2 (g) + 7H2(g) 2 NH3(g) +4H2O(l)
A) (-1302 kJ/mol)
B) (-1170 kJ/mol)
C) (-365 kJ/mol)
D) (-1170 kJ/mol) .
E) (-1302 kJ/mol) .
Correct Answer:
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