PIRA 4E20.40- Constant Temperature: Balloon in a Vacuum Chamber
Photo Shows the Demonstration Used at U.T. Austin
Turn on vacuum pump using the switch on the back of the pump.
Once the balloon is at its maximum size and touching the sides of the jar, turn off pump.
Try a cup of fresh marshmellows. Bring your own.
- A partially blown up balloon is inside a sealed bell jar.
- As the pressure in the chamber decreases, the balloon expands.
Demo Staff Instructions
Plug in the vacuum pump and make sure the valve is turned all the way right.
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