Thermodynamics II Interactive Simulations
Our CDF simulations can be downloaded and used offline with the Wolfram CDF plug-in. They are also available on the Wolfram Demonstration Project website. Please contact us at learncheme@gmail.com if you identify problems with any of the simulations or if you have suggestions for simulations we might prepare.

Multi-Component VLE for Ideal Solutions

P-x-y and T-x-y Diagrams for
Vapor-Liquid Equilibrium

T-x-y and x-y Diagrams for
Binary VLE in Flash Drum

Adding One Component to a
Binary VLE Mixture

Adding a Second Component to a
Single-Component VLE Mixture

Adding a Second Component to a Fixed-Volume Container

Adiabatic Flash Drum with
Binary Liquid Feed

Osmotic Pressure
Prepared by S. M. Blinder

Mass Balances for Binary Vapor-Liquid Equilibrium (VLE)

Lever Rule Applied to the Benzene-Toluene Vapor Pressure Diagram

Prepared by Lisa M. Goss

Gibbs Phase Rule for One- and
Two-Component Systems

Prepared by S. M. Blinder

Pressure-Temperature Diagram for Binary Mixture

Construct P-x-y Diagram
for VLE

Construct T-x-y Diagram
for VLE


Multi-Component VLE for Non-Ideal Solutions

Partial Molar Enthalpy

Three Intermolecular Potential Models

Vapor-Liquid Equilibrium Diagram
for Non-Ideal Mixture

Non-Ideal VLE Modeled by
the Margules Equation

Basic Ternary Phase Diagram

Add a Component to a Mixture
with an Azeotrope

Henry's Law for Gases
Dissolved in Water

Heating Water and Air in a
Sealed Container

DePriester Chart for Hydrocarbons

Vapor Pressure of Binary Solutions

Prepared by S. M. Blinder

Fugacity and Chemical Potential

Fugacities in an Ideal Binary Mixture

Fugacities in a Can of Soda

Chemical Potential Dependence
on Temperature & Pressure

Fugacity as a Driving Force for Mass Transfer


Partially Miscible and Immiscible Solutions

Vapor-Liquid-Liquid Equilibrium (VLLE)

Partially Miscible Liquids

Immiscible Liquids on Pressure-Composition Diagram

Temperature Composition Diagram for Immiscible Liquids

Solid-Solid-Liquid Equilibrium

Ternary Phase Diagram with Phase Envelope

Ternary Phase Diagram with
Alternate Phase Envelope

Lever Rule for the Uranium-Titanium Solid-Liquid Phase Diagram

Prepared by Lisa M. Goss

Right and Equilateral Triangle
Ternary Phase Diagrams

Effect of Temperature on Partial Miscibility

Construct P-x-y Diagram
for Immiscible Liquids

Construct T-x-y Diagram
for Immiscible Liquids

Reaction Equilibrium

Chemical Equilibrium in the
Haber Process

Heterogeneous Chemical Equilibrium

Reversible Reaction in an
Adiabatic Plug Flow Reactor

Gas-Phase Chemical Equilibrium at Constant Pressure or Constant Volume

Construct a Conversion-Temperature Diagram for a Reversible
Adiabatic Reaction