Positron annihilation in and compressibility of liquid water + tert-butyl alcohol mixtures

1997 ◽  
Vol 214 (1) ◽  
pp. 143-149 ◽  
Author(s):  
Andrzej Baranowski ◽  
Kazimierz Jerie ◽  
Jacek Gliński
Keyword(s):  
Positron Annihilation ◽  
Liquid Water ◽  
Butyl Alcohol ◽  
Tert Butyl ◽  
Tert Butyl Alcohol ◽  
Alcohol Mixtures

Thermodynamic and Kinetic Investigation of the Solvent Effect on the Oxidation of [Co(en)2SCH2COO]+ with S2O82- In Water-Methanol and Water-tert-Butyl Alcohol Mixtures

1993 ◽  
Vol 58 (5) ◽  
pp. 1001-1006 ◽  
Author(s):  
Oľga Vollárová ◽  
Ján Benko
Keyword(s):  
Transfer Functions ◽  
Activation Parameters ◽  
Butyl Alcohol ◽  
Oxidation Of Co ◽  
Kinetics Of Oxidation ◽  
Tert Butyl ◽  
Tert Butyl Alcohol ◽  
Alcohol Mixtures ◽  
Kinetics Of

The kinetics of oxidation of [Co(en)2SCH2COO]+ with S2O82- was studied in water-methanol and water-tert-butyl alcohol mixtures. Changes in the reaction activation parameters ∆H≠ and ∆S≠ with varying concentration of the co-solvent depend on the kind of the latter, which points to a significant role of salvation effects. The solvation effect on the reaction is discussed based on a comparison of the transfer functions ∆Ht0, ∆St0 and ∆Gt0 for the initial and transition states with the changes in the activation parameters accompanying changes in the CO-solvent concentration. The transfer enthalpies of the reactant were obtained from calorimetric measurements.

Dissociation of the ammonium ion in water-urea and water-tert-butyl alcohol mixtures

Talanta ◽  
1976 ◽  
Vol 23 (10) ◽  
pp. 741-742 ◽  
Author(s):  
Yvon Pointud ◽  
Henri Gillet ◽  
Jean Juillard
Keyword(s):  
Butyl Alcohol ◽  
Ammonium Ion ◽  
Tert Butyl ◽  
Tert Butyl Alcohol ◽  
Alcohol Mixtures

Viscosity of ternary mixtures. IV. Urea – tert-butyl alcohol – water at 25 °C

1981 ◽  
Vol 59 (23) ◽  
pp. 3248-3251 ◽  
Author(s):  
Marc Palma ◽  
Jean-Pierre Morel
Keyword(s):  
Pair Interaction ◽  
Butyl Alcohol ◽  
Ternary Mixtures ◽  
Aqueous Mixtures ◽  
Tert Butyl ◽  
Tert Butyl Alcohol ◽  
Alcohol Water ◽  
Alcohol Mixtures ◽  
Total Concentrations ◽  
B Coefficients

We have measured, at 25 °C, the viscosities of urea and tert-butyl alcohol ternary aqueous solutions for total concentrations reaching about 4 M and various ratios of the solutes. We have also determined B coefficients of the Jones–Dole law for urea in water–tert-butyl alcohol mixtures and for tert-butyl alcohol in water–urea mixtures. The results can be fitted in the form:[Formula: see text]where ηr is the viscosity relative to water and subscripts 1 and 2 characterise the two solutes. B1 and B2 are determined in water and the additional D parameters appear as pair-interaction contributions of the solutes to the viscosity of the system. Some relations are established and verified between the previous parameters and the B coefficients of 1 and 2 determined, respectively, in the aqueous mixtures of 2 and 1.

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