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 4.93 kJ/mol. The molar heat capacity is 112.3 38.56 kJ/mol, and mp AHuston 1/(K mol) for the liquid and 65.6 )/(K • mol) for the vapor.
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 4.93 kJ/mol. The molar heat capacity is 112.3 38.56 kJ/mol, and mp AHuston 1/(K mol) for the liquid and 65.6 )/(K • mol) for the vapor.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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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
78.3 °C, AHp
4.93 kJ/mol. The molar heat capacity is 112.3
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
-114.1 °C, bp
38.56 kJ/mol, and
mp
AHuslon
fusic
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