PIRA 4E20.40- Constant Temperature: Balloon in a Vacuum Chamber

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Drawing is by courtesy of the University of Minnesota

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Instructions / Notes:

• A partially blownup balloon is inside a sealed belljar.
  
• Turn on the vacuum pump. The balloon "blows" up.
  
• Try a cup of fresh marshmellows. Bring your own.
  

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Photo Shows the Demonstration Used at U.T. Austin

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Last Updated 6/99 - University of Texas at Austin Physics Dept. - All Rights Reserved