# Problem: 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, 431A. -190 kJ/molB. -217 kJ/molC. -102 kJ / molD. -156 kJ/mol

###### Problem Details

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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Based on our data, we think this problem is relevant for Professor Teets' class at UH.