Concord Consortium
Concord Consortium: Molecular Workbench Showcase: Chemistry, Thermodynamics
Explore some virtual experiments on gases and vapor pressure, the Maxwell speed distribution, the barometric formula, and heat and temperature.
Simon Fraser University
Chem1 Virtual Textbook: Velocities of Gas Molecules and Boltzmann Distribution
The General Chemistry Virtual Textbook, or Chem 1, is broken into several sections covering various aspects of topics related to chemistry. This section deals with both Boltzmann Distribution and the velocity of gas molecules.
Concord Consortium
Concord Consortium: Molecular Workbench: Barometric Formula
Adjust the altitude and temperature in this simulation to observe how gas pressure is affected by these changes.
Other
University of Arkansas: Kinetic Theory
A little background and a great Java applet that allows you to see the distribution of particles by their velocity.
University of Virginia
University of Virginia: Kinetic Theory, a Brief Review
The derivation of the Boltzmann distribution in detail. Shows calculations and graphs, with links to animations and video to further explain.
University Corporation for Atmospheric Research
Ucar: About Temperature
This site from the University Corporation of Atmospheric Research provides a lengthy page covering numerous topics including the difference between heat and temperature, the use of different temperature scales, thermal expansion, how a...
University of Waterloo (Canada)
University of Waterloo: Kinetic Theory of Gases
Takes the Boltzmann distribution mathematics and explains it. Not a simple site, but does provide nice historical links in addition to high-level explanation of the distribution.