Estimate ΔE for the reaction: C 2H6 (g) + Cl2 (g) → C2H5Cl(g) + HCl(g) given the following average bond energies in kJ/mol.
C-C, 348; C-H, 414; Cl-Cl, 242; C-Cl, 327; H-Cl, 431
A. -190 kJ/mol
B. -217 kJ/mol
C. -102 kJ / mol
D. -156 kJ/mol
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