1the enthalpy change for the following reaction

Question

1.The enthalpy change for the following reaction is -903 kJ. Using bond energies, estimate the N-H bond energy in NH₃(g).

4NH₃(g) + 5O₂(g)4NO(g) + 6H₂O(g)

 kJ/mol

2.The enthalpy change for the following reaction is -108 kJ. Using bond energies, estimate the C=O bond energy in COCl₂(g).

CO(g) + Cl₂(g)COCl₂(g)

 kJ/mol