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Hess's Law and Heats of Reaction

APCHEM-7EHLMA
Reaction $\Delta{H}^{º}$ (kJ/mol)
${H}_{2}(g)+{Cl}_{2}(g)\rightarrow{2HCl}(g)$ –184
${H}_{2}(g)\rightarrow2{H}(g)$ +432
${Cl}_{2}(g)\rightarrow2{Cl}(g)$ +240


Consider the table of reaction enthalpies ("Heats of Reaction") shown above.

Using data from the table, which of the following is correct value of the bond energy for the $H-Cl$ bond?

A

488 kJ/mol

B

856 kJ/mol

C

244 kJ/mol

D

428 kJ/mol