Thermodynamic Properties of Silicon Tetrafluoride from 15°K to Its Triple Point. The Entropy from Molecular and Spectroscopic Data

1963 ◽  
Vol 39 (1) ◽  
pp. 154-158 ◽  
Author(s):  
E. L. Pace ◽  
J. S. Mosser
Keyword(s):  
Thermodynamic Properties ◽  
Triple Point ◽  
Spectroscopic Data ◽  
Silicon Tetrafluoride

Some Thermodynamic Properties of Pure and Impure Nitrogen

1974 ◽  
Vol 52 (16) ◽  
pp. 1521-1531 ◽  
Author(s):  
J. Ancsin
Keyword(s):  
Thermodynamic Properties ◽  
Triple Point ◽  
Boiling Point ◽  
Normal Boiling Point ◽  
Vapor Pressures ◽  
Freezing Points ◽  
Boiling Points ◽  
Triple Points

Boiling points, freezing points, and vapor pressures (from 56 K to the normal boiling point) for pure and various doped N2 samples have been measured. The normal boiling points for N2 and N2 doped with 100 v.p.p.m. of O2, Ar, Kr, and CO impurities were found to be 77.3439 K, 77.3458 K, 77.3452 K, 77.3454 K, and 77.3444 K respectively. The triple points of the same samples are 63.14635 K, 63.1445 K, 63.14575 K, 63.1487 K, and 63.14675 K respectively. The values obtained for the heats of sublimation, vaporization, and fusion at the triple point of pure N2 were 6773.8, 6049.6, and 724.3 J/mole respectively and the above impurities changed these quantities by the amounts given in Tables 5 and 6.

Phase changes and thermodynamic properties of CaTiO3. Spectroscopic data, vibrational modelling and some insights on the properties of MgSiO3 perovskite

1993 ◽  
Vol 20 (3) ◽  
pp. 159-170 ◽  
Author(s):  
Philippe Gillet ◽  
François Guyot ◽  
Geoffrey D. Price ◽  
Benoit Tournerie ◽  
Andrée Le Cleach
Keyword(s):  
Thermodynamic Properties ◽  
Spectroscopic Data ◽  
Phase Changes ◽  
Mgsio3 Perovskite
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