A 5.4-L closed vessel is filled with 0.46 g of liquid ethanol. This ethanol containing closed vessel is placed in the freezer and reaches the vapor pressure of 6.65 torr at -11 C. (i) Is there any liquid ethanol remained in the closed vessel when the container is removed and warmed to the temperature of 25 C? Justify your answer. (ii) How many grams of liquid ethanol remained in the vessel at 2.0 C? The enthalpy changes of vaporization, AHvap of ethanol is 40.5 kJ/mol. The molar mass of ethanol is 46.07 g/mol.
A 5.4-L closed vessel is filled with 0.46 g of liquid ethanol. This ethanol containing closed vessel is placed in the freezer and reaches the vapor pressure of 6.65 torr at -11 C. (i) Is there any liquid ethanol remained in the closed vessel when the container is removed and warmed to the temperature of 25 C? Justify your answer. (ii) How many grams of liquid ethanol remained in the vessel at 2.0 C? The enthalpy changes of vaporization, AHvap of ethanol is 40.5 kJ/mol. The molar mass of ethanol is 46.07 g/mol.
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter11: Liquids And Solids
Section: Chapter Questions
Problem 11.95QE: A 1.50-g sample of methanol (CH3OH) is placed in an evacuated 1.00-L container at 30 C. (a)...
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Transcribed Image Text:A 5.4-L closed vessel is filled with 0.46 g of liquid ethanol. This ethanol containing closed vessel
is placed in the freezer and reaches the vapor pressure of 6.65 torr at -11 C.
(i) Is there any liquid ethanol remained in the closed vessel when the container is removed
and warmed to the temperature of 25 C? Justify your answer.
(ii) How many grams of liquid ethanol remained in the vessel at 2.0 C?
The enthalpy changes of vaporization, AH,vap of ethanol is 40.5 kJ/mol.
The molar mass of ethanol is 46.07 g/mol.
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