The Thermodynamics of Ionization of Anilinium Ions in Ethanol-Water Mixtures

2010 ◽  
Vol 79 (3-4) ◽  
pp. 223-233 ◽  
Author(s):  
W. van de Poel ◽  
P. J. Slootmaekers
Keyword(s):  
Thermodynamics Of Ionization

Thermodynamics of ionization of trans-crotonic and adipic acids in water; the silver – silver adipate electrode

1980 ◽  
Vol 58 (4) ◽  
pp. 323-327 ◽  
Author(s):  
Upendra Nath Dash ◽  
Uttam Kumar Nayak
Keyword(s):  
Adipic Acid ◽  
Silver Chloride ◽  
Ionization Constants ◽  
Thermodynamic Quantities ◽  
Liquid Junction ◽  
Different Temperatures ◽  
Heat Capacity Changes ◽  
Silver Silver ◽  
Silver Silver Chloride ◽  
Thermodynamics Of Ionization

The ionization constant, K, of trans-crotonic acid, and the first and second ionization constants, K1 and K2, of adipic acid have been determined in water at seven different temperatures ranging from 15 to 45 °C with the help of the cells without liquid junction using silver – silver chloride and quinhydrone electrodes. The variations of pK, pK1, and pK2 with temperature have been expressed by the equations[Formula: see text]and[Formula: see text]From the temperature coefficient of the ionization constants, the standard enthalpy, entropy, Gibbs energy, and heat capacity changes of the corresponding dissociation processes have been calculated. Using the values of ionization constants of adipic acid, the standard potential of the Ag(s)/Ag2Ad(s)/Ad2− electrode, and the related standard thermodynamic quantities for the electrode process[Formula: see text]have been calculated in water at those temperatures.

Thermodynamics of ionization of deuterium oxide

1968 ◽  
Vol 72 (13) ◽  
pp. 4654-4659 ◽  
Author(s):  
Robert N. Goldberg ◽  
Loren G. Hepler
Keyword(s):  
Deuterium Oxide ◽  
Thermodynamics Of Ionization

Thermodynamics of ionization of aqueous toluidinium ions

1968 ◽  
Vol 46 (12) ◽  
pp. 1965-1967 ◽  
Author(s):  
W. F. O'Hara
Keyword(s):  
Free Energy ◽  
High Precision ◽  
Linear Relation ◽  
Solution Calorimeter ◽  
Thermodynamics Of Ionization

Standard heats of ionization of ortho-, meta-, and para-toluidinium ions in water at 25 °C have been determined in a high precision solution calorimeter. Entropies of ionization have been calculated from these heats and well-defined free energy changes. As predicted by theory, a linear relation is found between ΔS0Ion and ΔG0Ion and between ΔH0Ion and ΔS0Ion for these compounds.

Thermodynamics of ionization of acetic and chloroaetic acids in water-ethanol mixtures

1969 ◽  
Vol 73 (7) ◽  
pp. 2453-2455 ◽  
Author(s):  
Frank J. Millero ◽  
Ching-Hsien Wu ◽  
Loren G. Hepler
Keyword(s):  
Thermodynamics Of Ionization
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