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Thermodynamics of the cell: {MexHg1−x|MeCl(m)|AgCl|Ag} (Me = Na,K,Cs) in (ethanol + water) solvent mixtures

✍ Scribed by Patrizia R. Mussini; Torquato Mussini; Andrea Perelli; Sandra Rondinini; Alberto Vertova

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
397 KB
Volume
27
Category
Article
ISSN
0021-9614

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✦ Synopsis

The electromotive force E of the cell: {Mex Hg1-x =MeCl(m)=AgCl=Ag} (where Me = Na, K or Cs), has been measured at the temperature 298.15 K as a function of the mole fraction x of the metal Me in amalgams and of the molality m of the alkali chloride MeCl in (ethanol + water) solvent mixtures containing up to 0.8 mass fraction of ethanol. Therefrom the respective standard electromotive forces E°have been determined, together with the activity coefficients g2 of the relevant MeCl electrolyte as a function of its molality. The E°decrease with increasing ethanol content turns out to be the same within 23 mV for the three Me-amalgam cells studied.

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