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Use the bond energy table calculate the enthalpy change (kJ) in the reaction .
Use the bond energy table calculate the enthalpy change (kJ) in the reaction ...
C2H4 + HCl → C2H5Cl
NB1 If the equation is not balanced you must first balance it
NB2 You must give both the correct sign and magnitude of the enthalpy change. Do NOT give units.