Figure 3.3 suggests that the isochores (paths of constant volume) are approximately straight lines on a P-T diagram. Show that the following models imply linear isochores.
(a) Constant-β, κ equation for liquids
(b) Ideal-gas equation
(c) Van der Waals equation

Figure 3.3

Transcribed Image Text:

Liquid Figure 3.3: PT diagram for a pure fluid showing the vapor-pressure curve and constant-volume lines in the single-phase regions. (J, K) G E Vapor T.