4A40.10 - Liquid Nitrogen - Lead Bell

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 -196o C or approximately 77o K.
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 Heat and Fluids

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 -196o C or approximately 77o K.

References:
  • 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.


Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.