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Banschbach, Valerie S.; Letovsky, Robert – American Biology Teacher, 2010
This article provides both an experiment and a framework for discussion that students can use to compare the efficiency of producing ethanol by using corn versus sugarcane as a raw material.
Descriptors: Food, Fuels, Experiments, Models
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Mascarenhas, Cheryl M. – Journal of Chemical Education, 2008
In this experiment, organic chemistry students perform reactions between three naphthyl acetate derivatives and the diazonium salt Fast-Red TR, under basic conditions. The three naphthyl acetate derivatives used in this study are 2-naphthyl acetate (1a), 6-bromo-2-naphthyl acetate (1b) and 1,6-dibromo-2-naphthyl acetate (1c). The two-step, one-pot…
Descriptors: Organic Chemistry, Discovery Learning, College Science, Laboratory Experiments