In an experiment, a 0.7455 g sample of 1,2-benzenediol (C6H6O₂) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.363 x 10³ g of water. During the combustion the temperature increases from 25.61 to 28.41 °C. The heat capacity of water is 4.184 J.g¹. C-¹. The heat capacity of the calorimeter was determined in a previous experiment to be 989.7 J. C-¹. Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of 1,2-benzenediol based on these data. C6H6O2 (s) + (13/2)0₂ (9)→ 3H₂O(l) + 6CO2 (g) + Energy kJ/mol Molar Heat of Combustion =

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A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods.
Ignition
wires
heat
sample
Water
Stirrer
Thermometer
Insulated Sample Burning Steel
outside dish
sample bomb
chamber
Combustion (bomb) calorimeter.
In an experiment, a 0.7455 g sample of 1,2-benzenediol (C6H6O₂) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.363 x 10³ g of water. During
the combustion the temperature increases from 25.61 to 28.41 °C. The heat capacity of water is 4.184 J·g¯¹. C¹.
The heat capacity of the calorimeter was determined in a previous experiment to be 989.7 J. C¹.
Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of 1,2-benzenediol based on these data.
C6H6O2 (s) + (13/2) O2(g) → 3H₂O(l) + 6CO₂ (g) + Energy
kJ/mol
Molar Heat of Combustion =
Transcribed Image Text:A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. Ignition wires heat sample Water Stirrer Thermometer Insulated Sample Burning Steel outside dish sample bomb chamber Combustion (bomb) calorimeter. In an experiment, a 0.7455 g sample of 1,2-benzenediol (C6H6O₂) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.363 x 10³ g of water. During the combustion the temperature increases from 25.61 to 28.41 °C. The heat capacity of water is 4.184 J·g¯¹. C¹. The heat capacity of the calorimeter was determined in a previous experiment to be 989.7 J. C¹. Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of 1,2-benzenediol based on these data. C6H6O2 (s) + (13/2) O2(g) → 3H₂O(l) + 6CO₂ (g) + Energy kJ/mol Molar Heat of Combustion =
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