PHASE DIAGRAM EXPLORER

This is a teaching tool meant to semi-quantitatively illustrate key concepts in the classical thermodynamics of binary systems.
It is not designed with the accuracy needed for use in research.

Form for a:

3-phase system 2-phase system

Standard entropy for pure components

Standard entropy S_298K⁰(J/mol∙K)

Component 1Component 2

Component 1

Component 2

Heat Capacity

Component 1:

C_p (J/mol∙K) = a + b∙T + c∙T^-2
Alpha Phase (α)Beta Phase (β)Liquid Phase (L)
Alpha Phase (α)
Beta Phase (β)
Liquid Phase (L)

Component 2:

C_p (J/mol∙K) = a + b∙T + c∙T^-2
Alpha Phase (α)Beta Phase (β)Liquid Phase (L)
Alpha Phase (α)
Beta Phase (β)
Liquid Phase (L)

Phase change properties

Component 1

α → β
ΔH (J/mol)ΔS (J/mol∙K)T (K)
ΔH (J/mol)
ΔS (J/mol∙K)
T (K)

β → L
ΔH (J/mol)ΔS (J/mol∙K)T (K)
ΔH (J/mol)
ΔS (J/mol∙K)
T (K)

Component 2

α → β
ΔH (J/mol)ΔS (J/mol∙K)T (K)
ΔH (J/mol)
ΔS (J/mol∙K)
T (K)

β → L
ΔH (J/mol)ΔS (J/mol∙K)T (K)
ΔH (J/mol)
ΔS (J/mol∙K)
T (K)

Solution Models

a^_
a^α (J/mol)a^β (J/mol)a^L (J/mol)
a^α (J/mol)
a^β (J/mol)
a^L (J/mol)

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