Purpose:Demonstrates how a gas contracts when cooled
Description:A helium balloon which is cooled by a liquid nitrogen bath becomes becomes more dense -- by about a factor of 4. When the balloon is removed from the liquid nitrogen it warms up, expands, and floats away, unless it is tethered
Availability:Available
Loc codes:I0, FS1
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Last modified on Monday, 14 September 2020 16:21