Search

Your search keyword '"Lü Dian-Zhen"' showing total 3 results
Start Over Author "Lü Dian-Zhen" Topic activity coefficient
3 results on '"Lü Dian-Zhen"'

2. Thermodynamic properties of multicomponent electrolyte solutions in mixed solvents {HCl + NaCl-tert-C4H9OH + H2O} at (278.15 to 318.15) K

Author

Wang, Qin-Ping, Lü, Dian-Zhen, Sun, Xue-Li, and Zhang, Li

Subjects
*THERMODYNAMICS, *ELECTROLYTES, *GIBBS' free energy, *IONIC structure
Abstract

The thermodynamic properties of (HCl (mA) + NaCl (mB)-tert-C4H9OH + H2O) system were studied by means of e.m.f. measurements in the cell without liquid junction at constant total ionic strength I=1.00 mol · kg−1 from 278.15 K to 318.15 K. The standard electrode potential of Ag–AgCl and activity coefficient of HCl in the mixed solvents have been determined. The results show that the activity coefficient of HCl in HCl–NaCl solution still obeys Harned’s Rule and the logarithm of HCl activity coefficient, lgγA, is a linear function reciprocal of temperature at constant composition of the mixture. The standard transfer Gibbs free energy of HCl was calculated. [Copyright &y& Elsevier]

Published
2004
Full Text
View/download PDF

3. Thermodynamic properties of multicomponent electrolyte solutions in mixed solvents 4. {HCl(mA) + NaCl(mB)} in {(1 − x)H2O + xCH2OHCHOHCH3} at 278.15 to 318.15 K

Author

Lü Dian-Zhen, Yang Jia-Zhen, Liang Chunyu, and Men Dian-Yuan

Subjects
Activity coefficient, Aqueous solution, Ionic strength, Chemistry, Inorganic chemistry, Analytical chemistry, General Materials Science, Electrolyte, Physical and Theoretical Chemistry, Aliphatic compound, Atomic and Molecular Physics, and Optics
Abstract

E.m.f. measurements are reported on the cell: Pt|H2(g,p°)|HCL(mB) in {(1−x)H2O+xCH2OHCHOHCH3}|AgCl|Ag with po = 101.325 kPa and x = 0.025, 0.075, and 0.100 at five temperatures from 278.15 to 318.15 K. The standardm e.m.f.s. Eo of AgCl(s) + 12H2(g) = Ag(s) + H+ + Cl− were obtained from the e.m.f. E of the cell with mB = 0 for molalities mA from 0.007 to 0.110 mol·kg−1. The activity coefficients γA of HCl have also been obtained from the e.m.f.s at constant total ionic strength I = (mA + mB) = 1 mol·kg−1. The experimental results show that HCl obeys Harned's rule and that lgγA is a linear function of temperature T, and indicate that the relative partial molar enthalpies of HCl obey a rule analogous to Harned's rule.

Published
1988
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results