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Journal of Chemical Education172
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Showing 46 to 60 of 172 results Save | Export
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Fuson, Michael M. – Journal of Chemical Education, 2017
Laboratories studying the anisotropic rotational diffusion of bromobenzene using nuclear spin relaxation and molecular dynamics simulations are described. For many undergraduates, visualizing molecular motion is challenging. Undergraduates rarely encounter laboratories that directly assess molecular motion, and so the concept remains an…
Descriptors: College Science, Undergraduate Study, Chemistry, Science Instruction
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Perez-Arribas, Luis Vicente; Leon-González, María Eugenia; Rosales-Conrado, Noelia – Journal of Chemical Education, 2017
With the final objective of using computational and chemometrics tools in the chemistry studies, this paper shows the methodology and interpretation of the Principal Component Analysis (PCA) using pollution data from different cities. This paper describes how students can obtain data on air quality and process such data for additional information…
Descriptors: Science Instruction, Chemistry, Teaching Methods, Computer Assisted Instruction
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Davis, Eric J.; Pauls, Steve; Dick, Jonathan – Journal of Chemical Education, 2017
Presented is a project-based learning (PBL) laboratory approach for an upper-division environmental chemistry or quantitative analysis course. In this work, a combined laboratory class of 11 environmental chemistry students developed a method based on published EPA methods for the extraction of dichlorodiphenyltrichloroethane (DDT) and its…
Descriptors: Student Projects, Teaching Methods, Active Learning, Chemistry
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Almendro Vedia, Víctor G.; Natale, Paolo; Chen, Su; Monroy, Francisco; Rosilio, Veronique; López-Montero, Ivan – Journal of Chemical Education, 2017
Since the first report of electroformed micrometer-sized liposomes in the 1980s, giant unilamellar vesicles (GUVs) have generated a lot of interest in the biophysical and biochemical communities. However, their penetration rate in high school or at the undergraduate level is still limited because of the requirement of specialized materials for…
Descriptors: Science Instruction, Telecommunications, Handheld Devices, Teaching Methods
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Smith, Garon C.; Hossain, Md Mainul – Journal of Chemical Education, 2017
Species TOPOS is a free software package for generating three-dimensional (3-D) topographic surfaces ("topos") for acid-base equilibrium studies. This upgrade adds 3-D species distribution topos to earlier surfaces that showed pH and buffer capacity behavior during titration and dilution procedures. It constructs topos by plotting…
Descriptors: Computer Software, Science Instruction, Educational Technology, Technology Uses in Education
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Carmel, Justin H.; Ward, Joseph S.; Cooper, Melanie M. – Journal of Chemical Education, 2017
One of the most mystifying products on the market for people at any age is the glow stick: a plastic tube that, when snapped, creates a flood of bright, brilliantly colored light without the use of electricity or significant production of heat. In this case, the chemiluminescence reaction also provides an exciting phenomenon through which we can…
Descriptors: Science Instruction, Cooperative Learning, Science Laboratories, College Science
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Cooper, Melanie M.; Posey, Lynmarie A.; Underwood, Sonia M. – Journal of Chemical Education, 2017
In this paper we discuss how and why core ideas can serve as the framework upon which chemistry curricula and assessment items are developed. While there are a number of projects that have specified "big ideas" or "anchoring concepts", the ways that these ideas are subsequently developed may inadvertently lead to fragmentation…
Descriptors: Science Instruction, Chemistry, College Science, Student Centered Learning
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Gibbons, Rebecca E.; Laga, Emily E.; Leon, Jessica; Villafan~e, Sachel M.; Stains, Marilyne; Murphy, Kristen; Raker, Jeffrey R. – Journal of Chemical Education, 2017
Research on classroom response systems (CRSs) in chemical education has primarily focused on the development of evidence-based strategies for implementation and novel practitioner uses of CRSs in instructional practice. Our national survey of postsecondary chemistry faculty extends these discussions, providing a broad-based understanding of the…
Descriptors: Undergraduate Students, College Science, Chemistry, Audience Response Systems
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Treadwell, Edward M.; Yan, Zhiqing; Xiao, Xiao – Journal of Chemical Education, 2017
A one-day laboratory epoxidation experiment, requiring no purification, is described, wherein the students are given an "unknown" stereoisomer of 3-hexen-1-ol, and use [superscript 1]H NMR coupling constants to determine the stereochemistry of their product. From this they work backward to determine the stereochemistry of their starting…
Descriptors: Science Instruction, Organic Chemistry, Teaching Methods, College Science
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Weiss, Charles J. – Journal of Chemical Education, 2017
The Scientific Computing for Chemists course taught at Wabash College teaches chemistry students to use the Python programming language, Jupyter notebooks, and a number of common Python scientific libraries to process, analyze, and visualize data. Assuming no prior programming experience, the course introduces students to basic programming and…
Descriptors: Science Instruction, College Science, Chemistry, Computer Uses in Education
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Grabowski, Lauren E.; Goode, Scott R. – Journal of Chemical Education, 2017
Potentiometric titrations are widely taught in first-year undergraduate courses to connect electrochemistry, stoichiometry, and equilibria and to reinforce acid-base titrations. Students perform a potentiometric titration that is then analyzed to determine analyte concentrations and the solubility product constant of the solid species.
Descriptors: Chemistry, Science Instruction, Scientific Concepts, Undergraduate Study
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Schaller, Chris P.; Graham, Kate J.; Jakubowski, Henry V. – Journal of Chemical Education, 2017
Reactivity III is a new course that presents chemical reactions from the domains of organic, inorganic, and biochemistry that are not readily categorized by electrophile-nucleophile interactions. Many of these reactions involve the transfer of a single electron, in either an intermolecular fashion in the case of oxidation/reduction reactions or an…
Descriptors: Science Instruction, College Science, Undergraduate Study, Chemistry
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Tavares, Maurício T.; Primi, Marina C.; Silva, Nuno A. T. F.; Carvalho, Camila F.; Cunha, Micael R.; Parise-Filho, Roberto – Journal of Chemical Education, 2017
Teaching the molecular aspects of drug-target interactions and selectivity is not always an easy task. In this context, the use of alternative and engaging approaches could help pharmacy and chemistry students better understand this important topic of medicinal chemistry. Herein a 4 h practical exercise that uses freely available software as a…
Descriptors: Science Instruction, Teaching Methods, Pharmacology, College Science
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Christiansen, Michael A.; Lambert, Alyssia M.; Nadelson, Louis S.; Dupree, Kami M.; Kingsford, Trish A. – Journal of Chemical Education, 2017
We recently shared our design of a two semester flipped organic chemistry course in which we gave students in-class quizzes to incentivize attendance and watching the lecture videos in advance. With a second iteration, we planned to make the video-watching experience more engaging. We accordingly hypothesized that if students completed short…
Descriptors: Science Instruction, Homework, Video Technology, Educational Technology
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Winkelmann, Kurt; Keeney-Kennicutt, Wendy; Fowler, Debra; Macik, Maria – Journal of Chemical Education, 2017
Virtual worlds are a potential medium for teaching college-level chemistry laboratory courses. To determine the feasibility of conducting chemistry experiments in such an environment, undergraduate students performed two experiments in the immersive virtual world of Second Life (SL) as part of their regular General Chemistry 2 laboratory course.…
Descriptors: Science Instruction, Chemistry, Science Laboratories, Laboratory Experiments
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