Nitrogen reacts with hydrogen in the Haber process to produce ammonia. This reaction can be represented by the following chemical equation showing the structural formulas of the reactants and products:
Table 1 shows the bond energies for the chemical bonds involved in this reaction.
Table 1
| Bond | Bond energy in kJ mol−1\text{kJ mol}^{-1}kJ mol−1 |
|---|---|
| N≡N\text{N}\equiv\text{N}N≡N | 945 |
| H−H\text{H}-\text{H}H−H | 436 |
| N−H\text{N}-\text{H}N−H | 391 |
Calculate the overall energy change for this reaction.
