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Bain, Ryan M.; Pulliam, Christopher J.; Raab, Shannon A.; Cooks, R. Graham – Journal of Chemical Education, 2015
In this laboratory experiment, students learn how to use ESI to accelerate chemical synthesis and to couple it with on-line mass spectrometry for structural analysis. The Hantzsch synthesis of symmetric 1,4-dihydropyridines is a classic example of a one-pot reaction in which multiple intermediates can serve to indicate the progress of the reaction…
Descriptors: Chemistry, Laboratory Experiments, Science Experiments, Science Instruction
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DeKorver, Brittland K.; Towns, Marcy H. – Journal of Chemical Education, 2015
Little research exists on college students' learning goals in chemistry, let alone specifically pertaining to laboratory coursework. Because students' learning goals are linked to achievement and dependent on context, research on students' goals in the laboratory context may lead to better understanding about the efficacy of lab curricula. This…
Descriptors: Undergraduate Students, College Science, Science Laboratories, Teaching Methods