A 1.107-g sample of benzoic acid (HC;H;O:) is burned in an excess of O:(g) in a bomb calorimeter, which is immersed in water. The reaction produces heat that causes the temperature of the water and bomb to increase from 24.96 to 29.20°C. (a) If the heat capacity of the calorimeter is 6.90 KJºC, how many kilojoules of heat are produced by the combustion of 1.107 g of benzoic acid? (b) Calculate the heat of combustion per gram of benzoic acid and the molar enthalpy of combustion of benzoic acid.
A 1.107-g sample of benzoic acid (HC;H;O:) is burned in an excess of O:(g) in a bomb calorimeter, which is immersed in water. The reaction produces heat that causes the temperature of the water and bomb to increase from 24.96 to 29.20°C. (a) If the heat capacity of the calorimeter is 6.90 KJºC, how many kilojoules of heat are produced by the combustion of 1.107 g of benzoic acid? (b) Calculate the heat of combustion per gram of benzoic acid and the molar enthalpy of combustion of benzoic acid.
Chemistry by OpenStax (2015-05-04)
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Chapter5: Thermochemistry
Section: Chapter Questions
Problem 31E: When a 0.740-g sample of trinitrotoluene (TNT), C7H5N2O6, is burned in a bomb calorimeter, the...
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![8. A 1.107-g sample of benzoic acid (HC;H;O2) is burned in an excess of O:(g) in a bomb calorimeter,
which is immersed in water. The reaction produces heat that causes the temperature of the water and
bomb to increase from 24.96 to 29.20°C. (a) If the heat capacity of the calorimeter is 6.90 kJ/ºC, how
many kilojoules of heat are produced by the combustion of 1.107 g of benzoic acid? (b) Calculate the
heat of combustion per gram of benzoic acid and the molar enthalpy of combustion of benzoic acid.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff3c420b9-c093-4930-b059-11b7233962d0%2Fab15cabe-d041-48ef-9555-5ca58cdeafd4%2F2p5dgu_processed.png&w=3840&q=75)
Transcribed Image Text:8. A 1.107-g sample of benzoic acid (HC;H;O2) is burned in an excess of O:(g) in a bomb calorimeter,
which is immersed in water. The reaction produces heat that causes the temperature of the water and
bomb to increase from 24.96 to 29.20°C. (a) If the heat capacity of the calorimeter is 6.90 kJ/ºC, how
many kilojoules of heat are produced by the combustion of 1.107 g of benzoic acid? (b) Calculate the
heat of combustion per gram of benzoic acid and the molar enthalpy of combustion of benzoic acid.
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