a) Calculate the heat evolve when the ethanol was combusted b) Calculate the enthalpy change of combustion per mole of ethanol

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section: Chapter Questions
Problem 39PS: A piece of titanium metal with a mass of 20.8 g is heated in boiling water to 99.5 C and then...
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a) Calculate the heat evolve when the ethanol was combusted b) Calculate the enthalpy change of combustion per mole of ethanol
3. In order to measure the enthalpy change of combustion of ethanol, a student
heated a copper calorimeter containing 100 cm of water with a spirit lamp (also
known as an ethanol burner) and collected the following data.
Initial temperature of water:
Final temperature of water:
Mass of ethanol burned:
Density of water:
20.0 °C
55.0 °C
1.78 g
1.00 g cm 3
Transcribed Image Text:3. In order to measure the enthalpy change of combustion of ethanol, a student heated a copper calorimeter containing 100 cm of water with a spirit lamp (also known as an ethanol burner) and collected the following data. Initial temperature of water: Final temperature of water: Mass of ethanol burned: Density of water: 20.0 °C 55.0 °C 1.78 g 1.00 g cm 3
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