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Zdanovskaia, Maria A.; Schwarz, Cara E.; Habib, Asif D.; Hill, Nicholas J.; Esselman, Brian J. – Journal of Chemical Education, 2018
The use of computational molecular modeling to enhance the teaching of chemical concepts is becoming commonplace. Incorporation of this technique into the curriculum, however, typically requires financial investment. This reality poses a problem for institutions where funding and associated resources are scarce and has a potential negative impact…
Descriptors: Science Instruction, Molecular Structure, Teaching Methods, Community Colleges
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Devarajan, Deepa; Gustafson, Samantha J.; Bickelhaupt, F. Matthias; Ess, Daniel H. – Journal of Chemical Education, 2015
Undergraduate organic chemistry textbooks and Internet websites use a variety of approaches for presenting and explaining the impact of halogen atom size on trends in bond strengths and/or acidity of hydrogen halides. In particular, several textbooks and Internet websites explain these trends by invoking decreasing orbital overlap between the…
Descriptors: Undergraduate Study, College Science, Organic Chemistry, Molecular Structure
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Wang, Yue; Xu, Xinhua; Wu, Meifen; Hu, Huikang; Wang, Xiaogang – Journal of Chemical Education, 2015
Scanning electron microscopy (SEM) was introduced into undergraduate physical chemistry laboratory curriculum to help students observe the phase composition and morphology characteristics of tin-lead alloys and thus further their understanding of binary alloy phase diagrams. The students were captivated by this visual analysis method, which…
Descriptors: Science Instruction, College Science, Undergraduate Study, Science Laboratories
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Eklund, Brandon; Prat-Resina, Xavier – Journal of Chemical Education, 2014
ChemEd X Data is an open web tool that collects and curates physical and chemical data of hundreds of substances. This tool allows students to navigate, select, and graphically represent data such as boiling and melting points, enthalpies of combustion, and heat capacities for hundreds of molecules. By doing so, students can independently identify…
Descriptors: Chemistry, Science Instruction, Web Sites, Internet
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Williamson, Vickie M.; Lane, Sarah M.; Gilbreath, Travis; Tasker, Roy; Ashkenazi, Guy; Williamson, Kenneth C.; Macfarlane, Ronald D. – Journal of Chemical Education, 2012
A prior study showed that students best make predictions about the outcome of opening a valve between two flasks containing a fluid or vacuum when they view both a demonstration video and a particulate animation, but the study showed no influence from the order in which these visualizations were used. The purpose of this current research was to…
Descriptors: Academic Ability, Chemistry, Animation, Video Technology
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Battle, Gary M.; Allen, Frank H.; Ferrence, Gregory M. – Journal of Chemical Education, 2010
A series of online interactive teaching units have been developed that illustrate the use of experimentally measured three-dimensional (3D) structures to teach fundamental chemistry concepts. The units integrate a 500-structure subset of the Cambridge Structural Database specially chosen for their pedagogical value. The units span a number of key…
Descriptors: Databases, Science Instruction, Scientific Concepts, Science Process Skills