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Showing 31 to 45 of 275 results Save | Export
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Stanish, Paul C.; Siu, Howard; Radovanovic, Pavle V. – Journal of Chemical Education, 2019
Inorganic phosphors are the main component of light emitting diodes which have caused the revolution in lighting industry as an energy-efficient and long-lasting replacement of traditional incandescent light bulbs and fluorescent tubes. They are also used in various consumer products and displays and can potentially find applications in…
Descriptors: Inorganic Chemistry, Science Instruction, Holistic Approach, Teaching Methods
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Kolonko, Erin M.; Kolonko, Kristopher J. – Journal of Chemical Education, 2019
Strategies for teaching NMR spectral interpretation in the undergraduate organic chemistry curriculum are often faculty-centered and can lead to student reliance on rote memorization and "guess and check" methods rather than critical-thinking skills for structure determination. This article describes a student-focused methodology for the…
Descriptors: Spectroscopy, Inquiry, Active Learning, Organic Chemistry
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Costantino, Luca; Barlocco, Daniela – Journal of Chemical Education, 2019
This article presents the structure of the organic chemistry laboratory Course "Synthesis and Extraction of Drugs" that is included in Modena University (Italy) in the third year of the five-year "Chemistry and Pharmaceutical Technologies" degree program. This course is unique in its kind, and it aims to provide students with…
Descriptors: Science Instruction, College Science, Undergraduate Study, Organic Chemistry
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Shimizu, Emily A.; Cory, Brett; Hoang, Johnson; Castro, Giovanni G.; Jung, Michael F.; Vosburg, David A. – Journal of Chemical Education, 2019
A green laboratory experiment has been developed in which students perform an aqueous oxidation/cycloaddition reaction to convert salicyl alcohol into a pentacyclic diepoxydione that is readily isolated by filtration. Drawing on their knowledge of periodate-mediated 1,2-diol cleavage, students propose a mechanism for the oxidation of salicyl…
Descriptors: Chemistry, Science Instruction, Teaching Methods, Laboratory Experiments
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Crawford, Garland L.; Kloepper, Kathryn D. – Journal of Chemical Education, 2019
The teaching lab is an important component of training and developing undergraduate chemistry students. The lab provides a complex teaching environment where faculty address a number of student-centered goals, including the development of technical proficiency, demonstrations of theoretical concepts, promotion of teamwork, and modeling of data…
Descriptors: Undergraduate Students, Teaching Methods, Science Laboratories, Chemistry
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Scott, Dane; Firth, Daniel – Journal of Chemical Education, 2019
Statistical process control (SPC) is used in the chemical industry to monitor manufacturing and laboratory processes to ensure quality and compliance with regulatory requirements. Control charts are a key tool used in this monitoring. Industrial job postings desire experience with SPC. Most undergraduates entering the workforce have no exposure,…
Descriptors: Chemistry, Science Instruction, Scientific Concepts, Science Laboratories
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Sattar, Simeen – Journal of Chemical Education, 2019
Pigments, dyes, and transition-metal compounds are made in courses across the undergraduate chemistry curriculum, but student characterization of these compounds' most striking features, their colors, seldom goes beyond verbal descriptions. Affordable, hand-held, fiber-optic reflectance spectrophotometers make it possible to advance students'…
Descriptors: Chemistry, Science Instruction, Undergraduate Students, Color
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Rodenbough, Philip P.; Manyilizu, Majuto Clement – Journal of Chemical Education, 2019
Meeting the challenge of modern global chemistry education requires collaborations from many different actors. Here, we report the development of culturally relevant computer-based lessons on VSEPR and unit cells designed specifically for implementation in the unique environment of East African high schools. The lesson plans use software more…
Descriptors: Chemistry, Science Instruction, Culturally Relevant Education, Teaching Methods
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Hofmann, Andreas; Coster, Mark J.; Taylor, Paul – Journal of Chemical Education, 2019
The interactive generation of chemical-structure diagrams is an integral activity in the study of chemistry as well as in professional chemistry environments. For educational purposes in particular, the existence of suitable software tools free of charge is of great importance. Although a number of free chemical-drawing applications are currently…
Descriptors: Science Instruction, Secondary School Science, High Schools, College Science
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O'Donoghue, J. – Journal of Chemical Education, 2019
This work describes the design, building, and testing of miniature, low-cost LED-LDR colorimeters for absorption-spectrophotometry experiments. It also describes using these colorimeters for simplified context-based-learning (CBL) activities in school teaching laboratories and for public-engagement events. The colorimeters are simple and robust,…
Descriptors: Cost Effectiveness, Chemistry, Science Instruction, Spectroscopy
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Duangpummet, Prempree; Chaiyen, Pimchai; Chenprakhon, Pirom – Journal of Chemical Education, 2019
An inquiry-based laboratory learning unit was designed to enhance high school students' understanding of the application of lipase as a catalyst to synthesize isoamyl and geranyl ester derivatives as well as to promote their understanding and positive perceptions of green chemistry. The learning unit consisted of three laboratories and a final…
Descriptors: Science Laboratories, Secondary School Science, High Schools, Chemistry
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Enneking, Kory M.; Breitenstein, Graham R.; Coleman, Amelia F.; Reeves, James H.; Wang, Yishi; Grove, Nathaniel P. – Journal of Chemical Education, 2019
The laboratory has occupied an important place in the general chemistry curriculum for well over a century, despite the fact that many have voiced concern about its value and utility. In an effort to potentially increase capacity in our general chemistry courses, we developed and implemented a hybrid laboratory curriculum that consisted of…
Descriptors: Science Laboratories, Chemistry, Science Instruction, College Science
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Lati, Wichai; Triampo, Darapond; Yodyingyong, Supan – Journal of Chemical Education, 2019
Nanoscience and nanotechnology are the study and application of materials on a nanometer scale. These fields of study aid the developments of innovative technologies that play an important role in our everyday lives. Enabling students to learn these topics makes learning more meaningful and helps prepare them for future technologies. This study…
Descriptors: Inquiry, High School Students, Student Motivation, Science Instruction
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Rodriguez, Jon-Marc G.; Towns, Marcy H. – Journal of Chemical Education, 2019
Analogies are useful tools instructors can use to help make challenging concepts less abstract by drawing connections to familiar contexts. In this paper we provide an overview of the various analogies published in the education literature that are situated in the context of enzyme kinetics, including narrative-based analogies (analogies intended…
Descriptors: Biochemistry, Kinetics, Science Instruction, Teaching Methods
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Kuntzleman, Thomas S.; Bunker, Kasey R.; Bartlett, Ashlee A. – Journal of Chemical Education, 2019
An experiment is described that uses easily obtained materials (glow sticks, chalk, and acetone or alcohol) to separate the dyes contained in glow sticks that actively emit chemiluminescent light. The experiment is very easy to carry out, making it amenable for students to perform in laboratory or outreach settings. The separation occurs fast…
Descriptors: Chemistry, Science Instruction, Light, Laboratory Experiments
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