For the reaction use the average bond energies listed below to compute (in kJ for the…

CHEMISTRY · Subjective · A Level · Chemistry · Energetics · Energetics

Problem

For the reaction

\mathrm{H_2(g) + Cl_2(g) \rightarrow 2\,HCl(g)}

use the average bond energies listed below to compute

\Delta H

(in \text{kJ} for the reaction as written). H–H:

436\,\text{kJ mol}^{-1}

Cl–Cl:

243\,\text{kJ mol}^{-1}

H–Cl:

431\,\text{kJ mol}^{-1}