ERIC Number: EJ325697
Record Type: CIJE
Publication Date: 1985
Reference Count: 0
Favorite Demonstrations: Gaseous Diffusion: A Demonstration of Graham's Law.
Kauffman, George B.; Ebner, Ronald D.
Journal of College Science Teaching, v15 n1 p78-79 Sep-Oct 1985
Describes a demonstration in which gaseous ammonia and hydrochloric acid are used to illustrate rates of diffusion (Graham's Law). Simple equipment needed for the demonstration include a long tube, rubber stoppes, and cotton. Two related demonstrations are also explained. (DH)
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: Teachers; Practitioners
Authoring Institution: N/A