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Benz, Lauren; Cesafsky, Karen E.; Le, Tran; Park, Aileen; Malicky, David – Journal of Chemical Education, 2012
This article describes a simple and inexpensive undergraduate-level kinetics experiment that uses magnetic levitation to monitor the progress and determine the activation energy of a condensation reaction on a polymeric solid support. The method employs a cuvette filled with a paramagnetic solution positioned between two strong magnets. The…
Descriptors: Organic Chemistry, Kinetics, Magnets, College Science
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Pappenfus, Ted M.; Schliep, Karl B.; Dissanayake, Anudaththa; Ludden, Trevor; Nieto-Ortega, Belen; Lopez Navarrete, Juan T.; Ruiz Delgado, M. Carmen; Casado, Juan – Journal of Chemical Education, 2012
A series of experiments for undergraduate courses (e.g., organic, physical) have been developed in the area of small molecule organic materials. These experiments focus on understanding the electronic and redox properties of a donor-acceptor molecule that is prepared in a convenient one-step microscale reaction. The resulting intensely colored…
Descriptors: Chemistry, Science Instruction, College Science, Undergraduate Study