Physical Chemistry
2nd Edition
ISBN: 9781133958437
Author: Ball, David W. (david Warren), BAER, Tomas
Publisher: Wadsworth Cengage Learning,
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Textbook Question
Chapter 22, Problem 22.39E
A china cup breaks when the ionic or covalent bonds are broken due to shock, stress, or some other influence. Even if such a cup were broken into two simple pieces, just putting the pieces back together will not make the bonds re-form. Why? We need things like glue because of this phenomenon.
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3. Is solid > liquid → gas an endothermic or exothermic process? Describe how this energy change
affects the energy of the molecules and their intermolecular forces.
128
CHAPTER 5
3. A chart of vapor pressure information at different temperatures for various liquids is given below.
Vapor Pressure (torr)
Temperature
Water
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Carbon Tetrachloride
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224
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316
75
294
675
731
760
1723
1486
The questions below refer to the following experiment: three flasks, each containing one of the three
liquids listed in the table are hooked to a vacuum pump. The pressure in each flask is reduced to 50 torr
and the temperature of each flask is maintained at 25°C.
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(a) Under these conditions, which liquid(s) would you observe boiling? Explain.
(b) Explain why, if both liquids are maintained at 25°C, the vapor pressure of CCI, is higher than the
vapor pressure of C,H,OH. Refer to both molecules in your discussion.
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What is specific heat capacity?
OA. The energy needed to change the temperature of a substance
B. The energy stored within the chemical bonds of a substance
C. The energy absorbed or given off in a chemical reaction
D. The energy required to completely melt 1 g of a substance
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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