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An electrical heater adds 19.6kJ of heat to a constant-volume calorimeter. The temperature of the calorimeter rises by 4.26C. When 1.75g of methanol is burned

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An electrical heater adds 19.6kJ of heat to a constant-volume calorimeter. The temperature of the calorimeter rises by 4.26C. When 1.75g of methanol is burned in the same calorimeter, the temperature increases by 8.62C. Calculate the molar energy of combustion of methanol. kl/mol

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