Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 91E
Plot the following data and determine ∆Hvap for magnesium and lithium. In which metal is the bonding stronger?
| Vapor Pressure (mm Hg) |
Temperature(°C) | |
| Li | Mg | |
| 1 | 750. | 620. |
| 10 | 890. | 740. |
| 100 | 1080. | 900. |
| 400 | 1240. | 1040. |
| 760 | 1310. | 1110. |
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Consider the table.
Metal
Tm (K)
ΔHfus (kJ/mol)
Tb (K)
ΔHvap (kJ/mol)
Li
454
2.99
1615
134.7
Na
371
2.60
1156
89.6
K
336
2.33
1033
77.1
Rb
312
2.34
956
69
Cs
302
2.10
942
66
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