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1. From the following equations and enthalpies, determine the molar heat of formation of HNO2(aq) ....

1. From the following equations and enthalpies, determine the molar heat of formation of HNO2(aq) .
NH4NO2(aq) → N2(g) + 2H2O(l) ∆H = -320.1 kJ

NH3(aq) + HNO2(aq) → NH4NO2(aq) ∆H = -37.7 kJ

2NH3(aq) → N2(g) + 3H2(g) ∆H = +169.9 kJ
H2(g) + 1/2 O2(g) → H2O(l) ∆H = -285.8 kJ

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