The heat of combustion of acetylene is 312kcal. If heat of formation of CO_(2)and H_(2)O are 94.38 and 68.38 kcal respectively. Calculate C-=C bond energy. Given that heat of atomisation of C and H are 150.0 and 51.5kcal respectively and C-H bond energy is 93.64kcal.

The heat of combustion of acetylene is 312kcal. If heat of formation o

1.	The heat of combustion of acetylene is 312kcal. If heat of formation of CO_(2)and H_(2)O are 94.38 and 68.38 kcal respectively. Calculate C-=C bond energy. Given that heat of atomisation of C and H are 150.0 and 51.5kcal respectively and C-H bond energy is 93.64kcal.
Answer» ANSWER :`160.86kcal;`