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Use the bond enthalpy data given to estimate the enthalpy of reaction for the addition of...

Use the bond enthalpy data given to estimate the enthalpy of reaction for the addition of HBr to acetylene gas, C2H2 to form C2H4Br2 (with the condensed structural formula Br-CH2-CH2-Br) at 25 degrees C.
BE (C-C)= 348 kJ/mol
BE (CC Triple bond)= 839 kJ/mol
BE (C-H)= 413 kJ/mol
BE (H-Br)= 366 kJ/mol
BE (C-Br)= 276 kJ/mol

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