Demonstrations

Avogadro's Number

Code Number :	1A10.60
Disclaimer:	Reprinted by permission of Dick Berg, University of Maryland, for use on this website. The demonstrations contained and referenced herein are listed for the purposes of cataloging and describing physics demonstrations which should be conducted only under the direction of a trained instructional support professional or physicist. These demonstrations are not presented for the purpose of being conducted by persons unconnected to this Facility and/or persons not consulting with or being supervised by the recognized instructional support professional or physicist and his/her staff. The University is responsible only for those demonstrations carried out using its own equipment using established safety and scheduling policies, and bears no responsibility for those choosing to use this source material for their own purposes. All demonstrations described and contained herein are public domain, and can also be found in reference materials in libraries, bookstores, and electronic sources. Further information regarding legal liability in use of demonstrations and labs will be found on the web site Injuries in School/College Laboratories in USA. The University of Iowa Disclaimers: University of Iowa Disclaimer. All Rights Reserved
Condition :	Good
Principle :	Moles and Periodic Chart Fundamentals
Area of Study :	Mechanics
Equipment :	22.4 Liter Box = 1 Mole of Gas.
Procedure :	The box is just to show what the volume of 1 mole of gas would be. There should be Avogadro's number of molecules of a gas in this volume.

References

A. John Mallinckrodt, "Line 'em Up", TPT, Vol. 44, # 3, March 2006, p. 134.

James J. Carr, "Sizing Up Atoms", TPT, Vol. 44, # 4, Apr. 2006, p. 198.

Clifford Swartz, "All Atoms Are (About) the Same Size", TPT, Vol. 44, # 1, Jan. 2006, p. 16.

Frederic R. Stauffer, "An Estimate of Avogadro's Number", TPT, Vol. 29, # 4, Apr. 1991, p. 252.

John L. Kroening, "Old Avogadro", TPT, Vol. 29, # 6, Sept. 1991, p. 326.

Albert A. Bartlett, "One Mole of Dollars," TPT, Vol. 26, # 2, p. 99, (February 1988).

Frank T. Dietz, "More on Avogadro's Number", TPT, Vol. 22, # 8, Nov. 1984, p. 515.

Edwin R. Jones Jr., Richard L. Childers, "Observational Evidence for Atoms", TPT, Vol. 22, # 6, Sept. 1984, p. 354.

Albert A. Barlett, "Examples of Atmospheric Arithmetic", TPT, Vol. 21, # 9, Dec. 1983, p. 594.

Hugh C. Wolfe, "Weight in Newtons - Mass in Kilograms!", TPT, Vol. 10, # 1, Jan. 1972, p. 5.

Phillip Morrison, "Something Old, Something New", TPT, Vol. 10, # 2, Feb. 1972, p. 67.

Wendell G. Bradley, "A Definition of the Mole Suitable for Physicists", TPT, Vol. 9, # 7, Oct. 1971, p. 385

S. I. Salem et al., "Determination of Avogadro's Number (An Experiment,)" AJP, p. 466, Vol. 56, No. 5, (May 1988).

George C. Alexandrakis, "Determination of Molecular Size and Avogadro's Number: A Student Experiment", AJP, Vol. 46, # 8, Aug. 1978, p. 810.

H- 450: "Gram Molecular Volume Box," DICK and RAE Physics Demo Notebook.

"Does a Gas Have a Mass?", The Caliper, Vernier Software & Technology, Vol. 21, # 2, Fall 2004, p. 7.

Mail Questions and Comments to: Dale Stille