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if 1.520 g of a hydrocarbon is combusted in a bomb calorimeter filled with 2.550 L...

if 1.520 g of a hydrocarbon is combusted in a bomb calorimeter filled with 2.550 L of water & the temperature of the calorimeter rises from 20.00 degree celsius to 23.55 degree celsius (the total heat capacity of the calorimeter is known to be 441 J/K), what is the heat of combustion per gram of the hydrocarbon fuel?

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