Problem: Calculate ΔH for the following reaction: N2 + 3H2 → 2NH3. Average Bond Energies N≡N, 941 kJ/mol H-H, 432 KJ/mol N-H, 391 kJ/mol What is the total energy required to break the reactant bonds (in both N2 and H2)

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Problem Details

Calculate ΔH for the following reaction: N2 + 3H2 → 2NH3

Average Bond Energies 

N≡N, 941 kJ/mol 

H-H, 432 KJ/mol 

N-H, 391 kJ/mol 

What is the total energy required to break the reactant bonds (in both N2 and H2)


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