The combustion of 0.1564 g benzoic acid increases the temperature of a bomb calorimeter by 2.53°C. Calculate the heat capacity of this calorimeter. (The energy released by the combustion of benzoic acid is 26.42 kJ/g.) Heat capacity = __________ kJ/°C A 0.2137-g sample of vanillin (C8H8O3)  is then burned in the same calorimeter, and the temperature increases by 3.22°C. What is the energy of combustion per gram of vanillin? Energy =__________  kJ/g Per mole of vanillin? Energy = ___________ kJ/mol

Chemistry by OpenStax (2015-05-04)
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Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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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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The combustion of 0.1564 g benzoic acid increases the temperature of a bomb calorimeter by 2.53°C. Calculate the heat capacity of this calorimeter. (The energy released by the combustion of benzoic acid is 26.42 kJ/g.)

Heat capacity = __________ kJ/°C

A 0.2137-g sample of vanillin (C8H8O3)  is then burned in the same calorimeter, and the temperature increases by 3.22°C. What is the energy of combustion per gram of vanillin?

Energy =__________  kJ/g

Per mole of vanillin?

Energy = ___________ kJ/mol

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