GAS

GAS simulates the synamics of a gas. I wrote is when my son was starting to learn about gases at school.

It demonstrates the relationship between pressure, volume and temperature.

You can change the number, masses and velocity (i.e. temperature) of the molecules. A sliding "lid" can compress the gas manually or be lifted up by the gas pressure. By turning on gravity, you can use a gauge to show how pressure and temperature are affected by altitude.

(The molecules do not intereract with each other - only with the walls. Interestingly, I tried to get it to demonstrate convection but it just wouldn't work. Perhaps convection relies on the interactions between molecules.)

Freeware

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Questions or comments ? E-mail me at peterbalch@btinternet.com

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