The bond enthalpy of the Br–Cl bond is equal to ΔH°rxn for the following reaction. BrCl(g) → Br(g) + Cl(g) Using the following data, what is the bond enthalpy of the Br–Cl bond?
a. Br2(l) → Br2(g)ΔH°rxn = 30.91 kJ/mol
b. Br2(g) → 2Br(g)ΔH°rxn = 192.9 kJ/mol
c. Cl2(g) → 2Cl(g)ΔH°rxn = 243.4 kJ/mol
d. Br2(l) + Cl2(g) → 2BrCl(g)ΔH°rxn = 29.2 kJ/mol
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