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How much energy in kilojoules is released when 25.0 g of ethanol vapor at 93.0°C is cooled to -11.0°C? Ethanol has 114.1 °C, bp = 78.3°C, AHap mp = AHuslon 4.93 kJ/mol. The molar heat capacity is 112.3 /(K mol) for the liquid and 65.6 J/(K• mol) for the vapor. 38.56 kJ/mol, and

How much energy in kilojoules is released when 25.0 g of ethanol vapor at 93.0°C is cooled to -11.0°C? Ethanol has 114.1 °C, bp = 78.3°C, AHap mp = AHuslon 4.93 kJ/mol. The molar heat capacity is 112.3 /(K mol) for the liquid and 65.6 J/(K• mol) for the vapor. 38.56 kJ/mol, and

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.83QP: The cooling effect of alcohol on the skin is due to its evaporation. Calculate the heat of...
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11.43 How much energy in kilojoules is released when 25.0 g of ethanol vapor at 93.0°C is cooled to -11.0°C? Ethanol has mp AHusion J/(K mol) for the liquid and 65.6 J/(K mol) for the vapor. 11.44 Draw a molar heating curve for ethanol, C,H,OH, similar to that shown for water in Figure 11.3. Begin with solid ethanol at its melting point, and raise the temperature to 100 °C. The necessary data are given in Problem 11.43, -114.1 °C, bp = 78.3 °C, AH,ap 4.93 kJ/mol. The molar heat capacity is 112.3 38.56 kJ/mol, and
Transcribed Image Text:11.43 How much energy in kilojoules is released when 25.0 g of ethanol vapor at 93.0°C is cooled to -11.0°C? Ethanol has mp AHusion J/(K mol) for the liquid and 65.6 J/(K mol) for the vapor. 11.44 Draw a molar heating curve for ethanol, C,H,OH, similar to that shown for water in Figure 11.3. Begin with solid ethanol at its melting point, and raise the temperature to 100 °C. The necessary data are given in Problem 11.43, -114.1 °C, bp = 78.3 °C, AH,ap 4.93 kJ/mol. The molar heat capacity is 112.3 38.56 kJ/mol, and
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