Chemistry: An Atoms-Focused Approach
14th Edition
ISBN: 9780393912340
Author: Thomas R. Gilbert, Rein V. Kirss, Natalie Foster
Publisher: W. W. Norton & Company
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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.
8.
(a) Use the Clausius-Clapeyron equation and calculate the vapor pressure (mm Hg) of fluoroethane at
-80 °C, given that the vapor pressure is 400. mm Hg at a temperature of -46 °C. The enthalpy of vaporization of
fluoroethane is 23.0 kJ/mol.
(b) Calculate the enthalpy of vaporization for a compound if its vapor pressure is 70 mm Hg at -50 °C
and 323 mm Hg at -28 °C.
2. The boiling point of methanol is 338 K. What is the vapor pressure of methanol at 250
K, given that AHwap = 35 kJ/mol?
Chapter 6 Solutions
Chemistry: An Atoms-Focused Approach
Ch. 6 - Prob. 6.1VPCh. 6 - Prob. 6.2VPCh. 6 - Prob. 6.3VPCh. 6 - Prob. 6.4VPCh. 6 - Prob. 6.5VPCh. 6 - Prob. 6.6VPCh. 6 - Prob. 6.7VPCh. 6 - Prob. 6.8VPCh. 6 - Prob. 6.9VPCh. 6 - Prob. 6.10VP
Ch. 6 - Prob. 6.11VPCh. 6 - Prob. 6.12VPCh. 6 - Prob. 6.13VPCh. 6 - Prob. 6.14VPCh. 6 - Prob. 6.15VPCh. 6 - Prob. 6.16VPCh. 6 - Prob. 6.17QACh. 6 - Prob. 6.18QACh. 6 - Prob. 6.19QACh. 6 - Prob. 6.20QACh. 6 - Prob. 6.21QACh. 6 - Prob. 6.22QACh. 6 - Prob. 6.23QACh. 6 - Prob. 6.24QACh. 6 - Prob. 6.25QACh. 6 - Prob. 6.26QACh. 6 - Prob. 6.27QACh. 6 - Prob. 6.28QACh. 6 - Prob. 6.29QACh. 6 - Prob. 6.30QACh. 6 - Prob. 6.31QACh. 6 - Prob. 6.32QACh. 6 - Prob. 6.33QACh. 6 - Prob. 6.34QACh. 6 - Prob. 6.35QACh. 6 - Prob. 6.36QACh. 6 - Prob. 6.37QACh. 6 - Prob. 6.38QACh. 6 - Prob. 6.39QACh. 6 - Prob. 6.40QACh. 6 - Prob. 6.41QACh. 6 - Prob. 6.42QACh. 6 - Prob. 6.43QACh. 6 - Prob. 6.44QACh. 6 - Prob. 6.45QACh. 6 - Prob. 6.46QACh. 6 - Prob. 6.47QACh. 6 - Prob. 6.48QACh. 6 - Prob. 6.49QACh. 6 - Prob. 6.50QACh. 6 - Prob. 6.51QACh. 6 - Prob. 6.52QACh. 6 - Prob. 6.53QACh. 6 - Prob. 6.54QACh. 6 - Prob. 6.55QACh. 6 - Prob. 6.56QACh. 6 - Prob. 6.57QACh. 6 - Prob. 6.58QACh. 6 - Prob. 6.59QACh. 6 - Prob. 6.60QACh. 6 - Prob. 6.61QACh. 6 - Prob. 6.62QACh. 6 - Prob. 6.63QACh. 6 - Prob. 6.64QACh. 6 - Prob. 6.65QACh. 6 - Prob. 6.66QACh. 6 - Prob. 6.67QACh. 6 - Prob. 6.68QACh. 6 - Prob. 6.69QACh. 6 - Prob. 6.70QACh. 6 - Prob. 6.71QACh. 6 - Prob. 6.72QACh. 6 - Prob. 6.73QACh. 6 - Prob. 6.74QA
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