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| Lawson, Anton E. | 1 |
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Peer reviewedBirk, James P.; Lawson, Anton E. – Journal of Chemical Education, 1999
Argues that the candle-and-cylinder demonstration does not show that air is composed of 21% oxygen. Finds that the heating of air results in a partial expulsion of air, and that the flame is extinguished by a local, rather than a complete, consumption of oxygen. (WRM)
Descriptors: Chemical Reactions, Chemistry, Demonstrations (Science), Higher Education
