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Physical Chemistry
2nd Edition
ISBN: 9781133958437
Author: Ball, David W. (david Warren), BAER, Tomas
Publisher: Wadsworth Cengage Learning,
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Chapter 22, Problem 22.10E
Interpretation Introduction
Interpretation:
The reason for the fact that the calculation for the changes in thermodynamic quantities for expansions and contractions of gases did not consider changes in surface energies, as those gases changed their surface areas is to be stated.
Concept introduction:
The branch of science that deals with the study of heat and temperature and its relation with energy and work is called
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A pure sample of Substance S is put into an evacuated flask. The flask is then heated steadily and the temperature measured as time passes. The results are
graphed below, in the middle (in green).
Identical experiments are now run on Substance Y and Substance Z. Substance Y is just like S except that it has a higher heat capacity in the solid phase
Cs). Substance Z is just like S except that it has a lower heat capacity in the gaseous phase C,g).
Select the graphs below, on the left and right, that show the results you expect for these new experiments.
db
Substance Y
Substance Z
(higher C,(3))
Substance S
(lower C,(g)
(Drag the slider to
choose an image)
(Drag the slider to
choose an image)
orddad hest (lT/mnl
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temperature (°C
i) When 105 J of energy is supplied as heat at constant pressure to 1.9 mol of gas molecules, the
temperature of the sample increases by 1.81K. Calculate the molar heat capacity at
a) constant pressure
b) constant volume
ii) What can you say about the molecular structure/shape of this gas molecule?
A pure sample of Substance S is put into an evacuated flask. The flask is then heated steadily and the temperature measured as time passes. The results are
graphed below, in the middle (in green).
Identical experiments are now run on Substance Y and Substance Z. Substance Y is just like S except that it has a lower heat capacity in the gaseous phase
C,(g). Substance Z is just like S except that it has a lower enthalpy of vaporization AH,
Select the graphs below, on the left and right, that show the results you expect for these new experiments.
Substance Y
(lower C,(e))
Substance S
Substance Z
(lower AH)
(Drag the slider to
choose an image)
(Drag the slider to
choose an image)
added heat (kJ/mol)
Explanation
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temperature (°C)
Chapter 22 Solutions
Physical Chemistry
Ch. 22 - Using the explanation of unbalanced forces as the...Ch. 22 - Show that the right side of equation 22.1 has...Ch. 22 - The text claims that surface tension varies with...Ch. 22 - Prob. 22.4ECh. 22 - Prob. 22.5ECh. 22 - Prob. 22.6ECh. 22 - Prob. 22.7ECh. 22 - Equation 22.6 defines surface tension in terms of...Ch. 22 - Prob. 22.9ECh. 22 - Prob. 22.10E
Ch. 22 - Prob. 22.11ECh. 22 - Prob. 22.12ECh. 22 - Prob. 22.13ECh. 22 - Prob. 22.14ECh. 22 - Prob. 22.15ECh. 22 - Prob. 22.16ECh. 22 - Prob. 22.17ECh. 22 - Prob. 22.18ECh. 22 - Prob. 22.19ECh. 22 - Determine the pressure difference on a droplet of...Ch. 22 - Prob. 22.21ECh. 22 - Prob. 22.22ECh. 22 - Prob. 22.23ECh. 22 - Prob. 22.24ECh. 22 - Prob. 22.25ECh. 22 - Prob. 22.26ECh. 22 - Prob. 22.27ECh. 22 - The Young-Dupr equation, equation 22.16, is...Ch. 22 - Why are capillary rises and depressions not seen...Ch. 22 - Prob. 22.30ECh. 22 - Prob. 22.31ECh. 22 - Prob. 22.32ECh. 22 - Prob. 22.33ECh. 22 - Prob. 22.34ECh. 22 - Prob. 22.35ECh. 22 - Prob. 22.36ECh. 22 - Prob. 22.37ECh. 22 - Prob. 22.38ECh. 22 - A china cup breaks when the ionic or covalent...Ch. 22 - Satellites in space often suffer from vacuum...Ch. 22 - Prob. 22.41ECh. 22 - Prob. 22.42ECh. 22 - Prob. 22.43ECh. 22 - Are the following processes examples of...Ch. 22 - Prob. 22.45ECh. 22 - Early attempts to coat metals with Teflon, poly...Ch. 22 - Prob. 22.47ECh. 22 - Prob. 22.48ECh. 22 - Prob. 22.49E
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