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Description of Regions in Two-Component Phase Diagrams

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Robert M. Rosenberg

Department of Chemistry, Northwestern University, Evanston, IL 60208-3113

J. Chem. Educ., 1999, 76 (2), p 223

DOI: 10.1021/ed076p223

Publication Date (Web): February 1, 1999

Abstract

This paper is concerned with helping students in an undergraduate physical chemistry course to interpret various geometric regions in reduced two-component phase diagrams in which either temperature or pressure is constant. This aim is accomplished by correlating the dimensionality of a geometric region with the degrees of freedom of the system obtained from the phase rule.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Physical Chemistry

Keywords (Subject):

Equilibrium

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This article has been cited by 2 ACS Journal articles (2 most recent appear below).

An Introductory Idea for Teaching Two-Component Phase Diagrams
Gavin D. Peckham and Ian J. McNaught
Journal of Chemical Education2011 88 (5), 592-593
- An Introductory Idea for Teaching Two-Component Phase Diagrams
  Gavin D. Peckham and Ian J. McNaught
  Journal of Chemical Education2011 88 (5), 592-593
  Before teaching two-phase equilibria in the traditional piecemeal manner, it is proposed that an initial overview of a particular “complete” two-component phase diagram would be beneficial.
  Abstract | Full Text HTML | Hi-Res PDF | PDF w/ Links
Interactive Two-Component Phase Diagrams
J. Charles Williamson
Journal of Chemical Education2009 86 (5), 653
- Interactive Two-Component Phase Diagrams
  J. Charles Williamson
  Journal of Chemical Education2009 86 (5), 653
  To help students connect a dynamic change of state with its representation on an equilibrium phase diagram, six interactive two-component phase diagrams have been created using Excel spreadsheets.
  Abstract | Hi-Res PDF | PDF w/ Links