The standard enthalpy of combustion at 25^(@)C of hydrogen,cyclohexene ( C_(6)H_(10)) and cyclohexane (C_(6)H_(12)) are - 241, -3800 and -3920 kJ // mol respectively. Calculate the heat of hydrogenation of cyclohexene.

The standard enthalpy of combustion at 25^(@)C of hydrogen,cyclohexene

1.	The standard enthalpy of combustion at 25^(@)C of hydrogen,cyclohexene ( C_(6)H_(10)) and cyclohexane (C_(6)H_(12)) are - 241, -3800 and -3920 kJ // mol respectively. Calculate the heat of hydrogenation of cyclohexene.
Answer» ANSWER :`-121kJ `