Acid dissociation constants of the hydrogen phthalate ion in mixtures of ethylene glycol and water at different temperatures, and related thermodynamic quantities

1968 ◽  
pp. 139 ◽  
Author(s):  
Surath Kumar Banerjee ◽  
Kiron Kumar Kundu ◽  
Mihir Nath Das
Keyword(s):  
Ethylene Glycol ◽  
Dissociation Constants ◽  
Acid Dissociation ◽  
Thermodynamic Quantities ◽  
Hydrogen Phthalate ◽  
Acid Dissociation Constants ◽  
Different Temperatures

scholarly journals Determination of Dissociation Constants of Malonic Acid in (Ethylene Glycol-Water)X% Mixed Solvent at Different Temperatures Using Electromotive Force Measurements

2019 ◽  
Vol 7 (1) ◽  
pp. 18-26
Author(s):  
Soleen S. Ahmed ◽  
Lazgin A. Jamil
Keyword(s):  
Ethylene Glycol ◽  
Malonic Acid ◽  
Electromotive Force ◽  
Mixed Solvent ◽  
Dissociation Constants ◽  
Standard Entropy ◽  
Thermodynamic Quantities ◽  
Force Measurements ◽  
Electromotive Force Measurements ◽  
Different Temperatures

The first and second dissociation constants of malonic acid in different composition of (ethylene glycol-water)%, (10, 20 and 30)% mixed solvent determined using the electromotive force measurements of galvanic cells without liquid junction at nine different temperatures,  at  interval, including the body temperature. The value of the first and second thermodynamic dissociation constants have been used to determine the thermodynamic quantities of two dissociation processes. These quantities involved the standard free energy,  standard enthalpy change,  standard entropy change,  and standard heat capacity change.

scholarly journals Acid dissociation constants of tetracyanohydroxooxomolybdate(IV) ion

1973 ◽  
Vol 26 (3) ◽  
pp. 671 ◽  
Author(s):  
M Aijaz Beg ◽  
Kabir-ud-Din ◽  
RA Khan
Keyword(s):  
Hydrochloric Acid ◽  
Dissociation Constant ◽  
Titration Curve ◽  
Dissociation Constants ◽  
Acid Dissociation ◽  
Thermodynamic Quantities ◽  
Method Of Least Squares ◽  
Acid Dissociation Constants ◽  
Ph Titration ◽  
The Third

The third dissociation constant of tetracyanohydroxooxomolybdic acid, H3[MoO(OH)(CN)4], has been obtained in the temperature range 25-50�C from the pH-titration curve of its tripotassium salt against hydrochloric acid. The values of pK3 fitted an equation of Harned- Robinson type: �������������������� pK3 = (1730.72/T)-6.19+0.0308T) obtained by the method of least squares. ��� Thermodynamic quantities ΔG�, ΔH�, ΔS�, and ΔC�p for the process have been evaluated at 30�C.

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