Condensed Gas Calorimetry. III. Heat Capacity, Heat of Fusion, Heat of Vaporization, Vapor Pressures and Entropy of Diborane between 13 °K. and the Boiling Point (180.32 °K.)1

1953 ◽  
Vol 75 (4) ◽  
pp. 781-785 ◽  
Author(s):  
John T. Clarke ◽  
E. B. Rifkin ◽  
H. L. Johnston
Keyword(s):  
Heat Capacity ◽  
Boiling Point ◽  
Heat Of Fusion ◽  
Vapor Pressures ◽  
Heat Of Vaporization

2,3-Dithiabutane: Low Temperature Heat Capacity, Heat of Fusion, Heat of Vaporization, Vapor Pressure, Entropy and Thermodynamic Functions1,2

1950 ◽  
Vol 72 (6) ◽  
pp. 2424-2430 ◽  
Author(s):  
D. W. Scott ◽  
H. L. Finke ◽  
M. E. Gross ◽  
G. B. Guthrie ◽  
H. M. Huffman
Keyword(s):  
Heat Capacity ◽  
Low Temperature ◽  
Vapor Pressure ◽  
Heat Of Fusion ◽  
Heat Of Vaporization ◽  
Temperature Heat ◽  
Low Temperature Heat Capacity

Estimation of heats of vaporization for non associating organic liquids from the boiling points at various pressures

1986 ◽  
Vol 64 (4) ◽  
pp. 635-640 ◽  
Author(s):  
J. Peter Guthrie
Keyword(s):  
Heat Capacity ◽  
Vapor Pressure ◽  
Boiling Point ◽  
Room Temperature ◽  
Quadratic Function ◽  
Organic Liquids ◽  
Heat Of Vaporization ◽  
Boiling Points ◽  
Temperature And Pressure ◽  
Heats Of Vaporization

At any pressure the heat of vaporization can be expressed as a quadratic function of the boiling point at that pressure. A seven parameter equation expressing the simultaneous dependence on boiling point and pressure can be fitted to the data; six pressures from 1 to 760 Torr (1 Torr = 133.3 Pa) were used. ΔHvap = b11 + b12 In (p) + b13p + (b21 + b22 In (p))tbp + (b31 + b32 In (p))tbp2. This relationship served as a guide for developing a relationship between vapour pressure at 25 °C and the calorimetric heat of vaporization, and also a relationship between vapor pressure at 25 °C and the boiling point at some other pressure. Parameters for both these relationships could be derived from the parameters obtained for ΔHvap as a function of temperature and pressure. A third method was developed starting from an equation for vapor pressure and fitting to the heat of vaporization, the heat capacity of vaporization, and at least one t,p point. These methods allow the estimation of the vapor pressure at room temperature from very meager data. The problems of errors in estimated values are discussed.

Cycloöctatetraene: Low-Temperature Heat Capacity, Heat of Fusion, Heat of Vaporization, Vapor Pressure and Entropy

1949 ◽  
Vol 71 (5) ◽  
pp. 1634-1636 ◽  
Author(s):  
D. W. Scott ◽  
M. E. Gross ◽  
G. D. Oliver ◽  
H. M. Huffman
Keyword(s):  
Heat Capacity ◽  
Low Temperature ◽  
Vapor Pressure ◽  
Heat Of Fusion ◽  
Heat Of Vaporization ◽  
Temperature Heat ◽  
Low Temperature Heat Capacity
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