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Direct linkDalby, David K.; Maynard, James H.; Moore, John W. – Journal of Chemical Education, 2011
Many versions of the classic Ira Remsen experience involving copper and concentrated nitric acid have been used as lecture demonstrations. Remsen's original reminiscence from 150 years ago is included in the Supporting Information, and his biography can be found on the Internet. This article presents a new version that makes the demonstration more…
Descriptors: Chemistry, Recall (Psychology), Science Education, Lecture Method
Maynard, James H. – Journal of Chemical Education, 2008
We have optimized a procedure for igniting hydrogen-filled balloons containing metal salts to obtain the brightest possible flash while minimizing the quantity of airborne combustion products. We report air quality measurements in a lecture hall immediately after the demonstration. While we recommend that this demonstration be done outdoors or in…
Descriptors: Chemistry, Pollution, Lecture Method, Molecular Structure
