Standard Potential of the Silver-Silver Chloride Electrode in X% Ethylene Glycol - Water Mixtures at Different Temperatures

Ahmed, Soleen Saeed; Jamil, Lazgin A.

doi:10.1109/icoase.2018.8548834

Cited by 1 publication

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“…• and E ‚ 4 are the electromotive force and standard electromotive force, respectively of the cell A at the appropriate absolute temperature, R and F are the gas constant and the faraday respectively. Values of E ‚ 4 and 2.3026RT/F in absolute volts are summarized in an earlier publication [33]. The ionic strength ( I $ ) of the solution in the cell A [25] is given by equation 3= r + + ( ) From dissociation of H ' Mal in different solvents composition, 10, 20, and 30% ethylene glycol-water mixed solvent, the apparent first dissociation constant pK … $ , was calculated from equation [23]…”

Section: Resultsmentioning

confidence: 99%

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

Ahmed

Jamil

2019

SJUOZ

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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.

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Section: Resultsmentioning

confidence: 99%