A 5.500 g sample of liquid fuel (molar mass of 32 g/mole), was combusted in the presence of excess oxygen in a bomb calorimeter containing 3000 g of water. The temperature of the water increased from 25.000 °C to 30.765 °C. The heat capacity of the calorimeter was 2655 J/°C. The specific heat of water is 4.184 J/g°C. Calculate the heat of combustion of the liquid fuel in kJ/mol.

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A 5.500 g sample of liquid fuel (molar mass of 32 g/mole), was combusted in the
presence of excess oxygen in a bomb calorimeter containing 3000 g of water. The
temperature of the water increased from 25.000 °C to 30.765 °C. The heat
capacity of the calorimeter was 2655 J/°C. The specific heat of water is 4.184
J/g°C. Calculate the heat of combustion of the liquid fuel in kJ/mol.
a. -510 kJ/mol
O b. -314 kJ/mol
-69.5 kJ/mol
O d. -121 kJ/mol
O e. -716 kJ/mol
Transcribed Image Text:A 5.500 g sample of liquid fuel (molar mass of 32 g/mole), was combusted in the presence of excess oxygen in a bomb calorimeter containing 3000 g of water. The temperature of the water increased from 25.000 °C to 30.765 °C. The heat capacity of the calorimeter was 2655 J/°C. The specific heat of water is 4.184 J/g°C. Calculate the heat of combustion of the liquid fuel in kJ/mol. a. -510 kJ/mol O b. -314 kJ/mol -69.5 kJ/mol O d. -121 kJ/mol O e. -716 kJ/mol
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