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Code Number: 4A40.10
Demo Title: Liquid Nitrogen - Lead Bell
Condition: Good
Principle: Properties of Liquid Nitrogen
Area of Study: Chemistry and Physics
Equipment: Liquid Nitrogen, Dewars, Lead Bell and Striker.
Procedure:
See also: 4A40.10 in Chemistry and Physics of Everyday Experience
Arrange ahead of time to get liquid nitrogen from Biochem Stores. Typically it takes about 4 liters for each classroom demonstration.
The temperature of liquid nitrogen should be a -196oC or approximately 77o K.
References:
- Thomas B. Greenslade Jr., "Scientific Treasures in My Attic", TPT, Vol. 61, #8, Nov. 2023, p. 702.
- R. G. Hunt and G. L. Salinger, "Qualitative Demonstrations and Experiments Using Liquid Nitrogen", TPT, Vol. 7, # 5, May 1969, p. 289
- Thomas B. Greenslade, Jr., "Lead Bells", AJP, Vol. 77, # 10, p. 917, Oct. 2009.
- Hk-9: Freier and Anderson, A Demonstration Handbook for Physics.
- H-100: Richard Manliffe Sutton, Demonstration Experiments in Physics.
- Gordon McComb. Lasers, Ray Guns, & Light Cannons - Projects from the Wizard's Workbench, pp. 28.