Heat

A liquid of mass m and specific heat c is heated to a temperature 2T. Another liquid of mass m/2 and specific heat 2 c is heated to a temperature T. If these two liquids are mixed, the resulting temperature of the mixture is

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 .