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Hydrophobic Solvation: Aqueous Methane Solutions

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Timm Lankau

Department of Chemistry, National Tsing Hua University, Hsinchu 300, Taiwan

Oliver Konrad

Universität Hamburg, Institut für Physikalische Chemie, D-20146 Hamburg, Germany

J. Chem. Educ., 2007, 84 (5), p 864

DOI: 10.1021/ed084p864

Publication Date (Web): May 1, 2007

Abstract

The solvation of methane in water will be used to discuss hydrophobic solvation effects. A phenomenological thermodynamical analysis of solvation provides a variant of Henry's law, which will be used to examine the connections between the excess chemical potential of solvation μ_ex and the density of the solvent ρ_H2O.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Physical Chemistry

Keywords (Feature):

Advanced Chemistry Classroom and Laboratory

Keywords (Subject):

Aqueous Solution Chemistry

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This article has been cited by 3 ACS Journal articles (3 most recent appear below).

Determination of the Solubility Limit of Tris(dibenzylideneacetone) dipalladium(0) in Tetrahydrofuran/Water Mixtures
Stefan Franzen
Journal of Chemical Education2011 88 (5), 619-623
- Determination of the Solubility Limit of Tris(dibenzylideneacetone) dipalladium(0) in Tetrahydrofuran/Water Mixtures
  Stefan Franzen
  Journal of Chemical Education2011 88 (5), 619-623
  Determination of the solubility limit of a strongly colored organometallic reagent in a mixed-solvent system provides an example of quantitative solubility measurement appropriate to understand polymer, nanoparticle, and other macromolecular aggregation ...
  Abstract | Full Text HTML | Hi-Res PDF | PDF w/ Links
Hydrophobic Solvation NOT via Clathrate Water Cages
Timm Lankau
Journal of Chemical Education2008 85 (7), 918
- Hydrophobic Solvation NOT via Clathrate Water Cages
  Timm Lankau
  Journal of Chemical Education2008 85 (7), 918
  O. Konrad and I learned about “scaled particle cavity theory” only recently. We tried to express our initial doubts about the solvent cage model by pointing out that other contrasting articles have been published on this subject. We welcome Silverstein’s ...
  Abstract | Hi-Res PDF | PDF w/ Links
Hydrophobic Solvation NOT via Clathrate Water Cages
Todd P. Silverstein
Journal of Chemical Education2008 85 (7), 917
- Hydrophobic Solvation NOT via Clathrate Water Cages
  Todd P. Silverstein
  Journal of Chemical Education2008 85 (7), 917
  I read with great interest Konrad and Lankau’s recent article in this Journal on the hydrophobic effect. These authors discuss the thermodynamics underlying Henry’s law to shed light on the process of hydrophobic solvation. The approach strikes me as ...
  Abstract | Hi-Res PDF | PDF w/ Links