Chemistry Practice Problems Bond Energy Practice Problems Solution: Consider the reaction : CH4 + Cl2      →       CH...

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Solution: Consider the reaction : CH4 + Cl2      →       CH3Cl + HCl Calculate the overall enthalpy change for the reaction (Hrxn) using the bond energy data given C-H 414 kJ H-Cl 431 kJ C-Cl 339 kJ Cl-Cl 243 kJ a. -92 kJ b. + 92 kJ c. -113 kJ d. 273 kJ e. 301 kJ

Problem

Consider the reaction :

CH4 + Cl2      →       CH3Cl + HCl

Calculate the overall enthalpy change for the reaction (Hrxn) using the bond energy data given

C-H 414 kJ

H-Cl 431 kJ

C-Cl 339 kJ

Cl-Cl 243 kJ

a. -92 kJ

b. + 92 kJ

c. -113 kJ

d. 273 kJ

e. 301 kJ