The heat of formation of `CO_(2)` and `H_(2)O` is -97 kcal and -68 kcal. The heat of combustion of benzene is -783 kcal. Calculate the heat of formation of benzene ?

Given the following standard heats of reactions: (a) heat of formation of water = -68.3 kcal , (b) heat of combustion of C_(2)H_(2) =- 310.6 kcal , (c ) heat of combustion of ethylene =- 337.2 kcal . Calculate the heat of reaction for the hydrogenation of acetylene at constant volume and at 25^(@)C .

Given the following standard heats of reactions: (a) heat of formation of water = -68.3 kcal , (b) heat of combustion of C_(2)H_(2) =- 310.6 kcal , (c ) heat of combustion of ethylene =- 337.2 kcal . Calculate the heat of reaction for the hydrogenation of acetylene at constant volume and at 25^(@)C .

Given the following standard heats of reactions: (a) heat of formation of water = -68.3 kcal , (b) heat of combustion of C_(2)H_(2) =- 310.6 kcal , (c ) heat of combustion of ethylene =- 337.2 kcal . Calculate the heat of reaction for the hydrogenation of acetylene at constant volume and at 25^(@)C .

Given the following standard heats of reactions: (a) heta of formation of water = -68.3 kcal , (b) heat of combustion of C_(2)H_(2) =- 310.6 kcal , (c ) heat of combustion of ethylene =- 337.2 kcal . Calculate the heat of reaction for the hydrogenation of acetylene at constant volume and at 25^(@)C .

The heat of formation of CO(g) and CO_2(g) are -26.4 kcal and -94.0 kcal respectively. Heat of combustion of carbon monoxide will be:

The heat of formation of CO and CO_(2) are -26.4kCal and -94 kCal , respectively. Heat of combustion of carbon monoxide will be