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I1-51. Rubber At Ln Temperature
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I1-51. Rubber At Ln Temperature
Purpose
To demonstrate how a normally elastic material at room temperature becomes rigid at very low temperatures.
Equipment
Dewar with liquid nitrogen, rubber hose, tongs, glove and hammer.
Suggestions
Handle cold hose with tongs or gloves. Wear goggles for safety.
Setup Time
5 minutes.
Images
Description
Dip the rubber hose into liquid nitrogen, then use the hammer to break it up into a zillion pieces.
References
Martin H. Edwards, Cooling by Immersion in Liquid Air, AJP 20, 313-314, (1952). Kathy
Malone and Tejwant Datta, Beware the Frozen Squash Ball, TPT 32, 351 (1994).
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See pagesi1. thermal properties of matter
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See pagesi2. transfer of heat
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See pagesi3. gases
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See pagesi4. changes of state
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See pagesi5. laws of thermodynamics
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See pagesi1. thermal properties of matter
-
See pagesi2. transfer of heat
-
See pagesi3. gases
-
See pagesi4. changes of state
-
See pagesi5. laws of thermodynamics
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Physics Lab Demos