This preview shows pages 1–6. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: Chapter 5: B: phase equilibria and diagrams CHM 341 Elementary Physical Chemistry Fall 2009 Ranko Richert vocabulary: physical transformations of pure substances phase transition transition temperature phase boundary vapor pressure sublimation vapor pressure boiling temperature normal boiling temp. (1 atm) standard boiling temp. (1 bar) critical temperature critical pressure supercritical fluid melting temperature freezing temperature normal freezing temp. (1 atm) standard freezing temp. (1 bar) triple point typical phase diagram (not H 2 O) nonequilibrium situation equilibrium situation p vapor pressure c T T << c T T < c T T > end of the liquid/gas phase boundary as the temperature is increased to above the critical point T c (a) (b) (c) Gibbs energy and the location of phase boundaries along the line representing the phase boundary, the two phases coexist in equilibrium ( ) ( ) ( ) ( ) V S dT dp dp V V dT S S dp V dT S dp V dT S dp V dT S dG dp V dT S dG dp V dT S dG Vdp SdT dG...
View
Full
Document
This note was uploaded on 10/10/2009 for the course CHM 341 taught by Professor Richert during the Spring '08 term at ASU.
 Spring '08
 RICHERT
 Physical chemistry, pH

Click to edit the document details