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5. A sample of toluene (C₂H8) is combusted with excess oxygen inside a bomb calorimeter. A) What is the heat energy (in J) generated by a 3.210 g sample of toluene if the enthalpy of combustion for toluene is -3910.0 J/g (Joules per gram of toluene). Thermometer Water 210 Stirrer Hint: which unit do we need to cancel in this case? g or J? Show work for each step. Include units and observe proper sig figs and rounding in your answer. Ignition wires Oxygen atmosphere -Sample in cup

5. A sample of toluene (C₂H8) is combusted with excess oxygen inside a bomb calorimeter. A) What is the heat energy (in J) generated by a 3.210 g sample of toluene if the enthalpy of combustion for toluene is -3910.0 J/g (Joules per gram of toluene). Thermometer Water 210 Stirrer Hint: which unit do we need to cancel in this case? g or J? Show work for each step. Include units and observe proper sig figs and rounding in your answer. Ignition wires Oxygen atmosphere -Sample in cup

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter5: Thermochemistry
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Problem 80E: Ethanol, C2H5OH, is used as a fuel for motor vehicles, particularly in Brazil. (a) Write the...
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5. A sample of toluene (C₂Hs) is combusted with excess oxygen inside a bomb calorimeter. A) What is the heat energy (in J) generated by a 3.210 g sample of toluene if the enthalpy of combustion for toluene is -3910.0 J/g (Joules per gram of toluene). Thermometer Water 16 Stirrer Hint: which unit do we need to cancel in this case? g or J? Show work for each step. Include units and observe proper sig figs and rounding in your answer. Ignition wires Oxygen atmosphere Sample in cup B) The calorimeter is filled with 200.0 g of water that has an initial temperature of 20.0 °C. If the heat loss to the surroundings is minimal and the heat energy absorbed by the calorimetric metal is negligible, what is the final temperature (in °C) achieved by water inside the calorimeter during the combustion of toluene? Note: Specific heat capacity of water = 4.184 J/g °C
Transcribed Image Text:5. A sample of toluene (C₂Hs) is combusted with excess oxygen inside a bomb calorimeter. A) What is the heat energy (in J) generated by a 3.210 g sample of toluene if the enthalpy of combustion for toluene is -3910.0 J/g (Joules per gram of toluene). Thermometer Water 16 Stirrer Hint: which unit do we need to cancel in this case? g or J? Show work for each step. Include units and observe proper sig figs and rounding in your answer. Ignition wires Oxygen atmosphere Sample in cup B) The calorimeter is filled with 200.0 g of water that has an initial temperature of 20.0 °C. If the heat loss to the surroundings is minimal and the heat energy absorbed by the calorimetric metal is negligible, what is the final temperature (in °C) achieved by water inside the calorimeter during the combustion of toluene? Note: Specific heat capacity of water = 4.184 J/g °C
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