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Facilitating Students' Review of the Chemistry of Nitrogen-Containing Heterocyclic Compounds and Their Characterization through Multistep Synthesis of Thieno[2,3-"b"]Pyridine Derivatives
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Liu, Hanlin; Zaplishnyy, Vladimir; Mikhaylichenko, Lana – Journal of Chemical Education, 2016
A multistep synthesis of thieno[2,3-"b"]pyridine derivatives is described that is suitable for the upper-level undergraduate organic laboratory. This experiment exposes students to various hands-on experimental techniques as well as methods of product characterization such as IR and [superscript 1]H NMR spectroscopy, and…
Descriptors: Synthesis, Undergraduate Students, Organic Chemistry, Laboratory Experiments
Representational Technologies and Learner Problem-Solving Strategies in Chemistry
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McCollum, Brett; Sepulveda, Ana; Moreno, Yuritzel – Teaching & Learning Inquiry, 2016
Learning within the sciences is often considered through a quantitative lens, but acquiring proficiency with the symbolic representations in chemistry is arguably more akin to language learning. Representational competencies are central to successful communication of chemical information including molecular composition, structure, and properties.…
Descriptors: Problem Solving, Learning Strategies, Science Instruction, Chemistry
The Chemical Composition of Maple Syrup
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Ball, David W. – Journal of Chemical Education, 2007
Maple syrup is one of several high-sugar liquids that humans consume. However, maple syrup is more than just a concentrated sugar solution. Here, we review the chemical composition of maple syrup. (Contains 4 tables and 1 figure.)
Descriptors: Chemistry, Molecular Structure, Food, Science Education