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Helium Balloon and Liquid Nitrogen

A dewar of liquid nitrogen and 2 helium balloons

Concept Overview:

1. Expansion and contraction of a fluid due to changes in temperature

Lecturer Procedure

Step(s) to Follow Expected Result

1. Place balloon in liquid nitrogen.

Balloon shrinks because gas has contracted
1. Remove balloon from liquid nitrogen. Balloon expands because the gas has been warmed up
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Transcript

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Identifier
FL: HS - 022