Problem: Use the given average bond energy values to estimate ΔH for the following reaction in the gas phase. Cl2 + F2 → 2FCl DCl-Cl = 239 kJ/mol DF-F = 154 kJ/mol DF-Cl = 253 kJ/mol The units expected here are simply "kJ". The implication is that the reaction coefficients refer to numbers of moles.

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Use the given average bond energy values to estimate ΔH for the following reaction in the gas phase. 

Cl2 + F→ 2FCl 

DCl-Cl = 239 kJ/mol 

DF-F = 154 kJ/mol 

DF-Cl = 253 kJ/mol 

The units expected here are simply "kJ". The implication is that the reaction coefficients refer to numbers of moles.