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Showing 1 to 15 of 47 results Save | Export
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Esselman, Brian J.; Block, Stephen B. – Journal of Chemical Education, 2019
The VSEPR model has well-established limitations in its ability to represent accurate molecular and electronic geometries of simple molecules, which can create a significant need for students to relearn structure and bonding concepts in organic chemistry. We present an alternate method for describing molecular geometries and electronic structures…
Descriptors: Science Instruction, College Science, Undergraduate Study, Scientific Concepts
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Ferraro, Giovanni; Fratini, Emiliano – Journal of Chemical Education, 2019
A procedure for one-pot preparation and characterization of silver 1D nanostructures is described. The main advantages of this synthetic approach are the simplicity and reproducibility, where the size of the final product can be controlled just by changing the reaction time. This experiment is designed as a laboratory introduction to colloidal…
Descriptors: Color, Science Instruction, Teaching Methods, Undergraduate Students
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Kent, James E.; Bell, Nicholle G. A. – Journal of Chemical Education, 2019
NMR is a fundamental part of any undergraduate chemistry degree, and training students how to measure and interpret NMR spectra is essential for postgraduate research or chemistry-based careers. Traditionally, the undergraduate laboratory experience with NMR is restricted to sample submission for NMR analysis, which is typically conducted by a…
Descriptors: Chemistry, Science Instruction, College Science, Hands on Science
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Morales, Christine; Chen, Franklin – Journal of Chemical Education, 2019
The effects of substitution on reaction rates are at the heart of both physical chemistry and organic chemistry. In this paper, we present a computational laboratory module to explore the effects of group substitution and isotopic substitution on reaction rates by using a readily accessible graphical interface, a computational engine, and…
Descriptors: Science Instruction, Chemistry, Science Laboratories, Computation
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Cherrette, Vivien L.; Hutcherson, Connor J.; Barnett, Jeremy L.; So, Monica C. – Journal of Chemical Education, 2018
Perovskite solar cells have garnered exponential research interest due to their facile fabrication, solution processability, and low cost. However, there have been limited efforts to integrate this class of materials into the undergraduate laboratory curriculum. Therefore, we designed an integrated laboratory experiment in our upper-division…
Descriptors: Laboratory Experiments, Learning Experience, Integrated Activities, Undergraduate Students
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Kumasaki, Mieko; Shoji, Takuro; Wu, Tsung-Chih; Soontarapa, Khantong; Arai, Mitsuru; Mizutani, Takaaki; Okada, Ken; Shimizu, Yoshitada; Sugano, Yasuhiro – Journal of Chemical Education, 2018
"Manga" are graphic novels that are considered to have the potential to effectively convey concepts and engage readers. The efficacy of "manga" has been validated for chemical safety education to students in three universities in Japan, Taiwan, and Thailand. Students were asked to examine a photo to identify hazards and…
Descriptors: Foreign Countries, Science Instruction, Teaching Methods, College Science
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Latimer, Devin R.; Ata, Athar; Forfar, Christopher P.; Kadhim, Mustafa; McElrea, April; Sales, Ramon – Journal of Chemical Education, 2018
This guided-inquiry, upper-division undergraduate organic lab experiment, a hybrid of problem-based learning (PBL); process-oriented, guided-inquiry learning (POGIL); and peer-led team learning (PLTL) has been developed to ease the transition from the undergraduate lab to a research lab environment. The characterization of a mixture of camphor and…
Descriptors: Science Instruction, Undergraduate Students, Organic Chemistry, Problem Based Learning
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Elbahri, Mady; Soliman, Ahmed; Yliniemi, Kirsi; Abdelaziz, Ramzy; Homaeigohar, Shahin; Zarie, Eman S. – Journal of Chemical Education, 2018
The best learning outcomes are rarely achieved without motivating the learner, and in this regard, active teaching and learning methods have been proven useful. Here, we introduce the "learn and innovate" strategy to enhance the students' interest, conceptual understanding, and deep learning under full guiding instructions. Moreover, by…
Descriptors: Science Instruction, Teaching Methods, Student Interests, Scientific Concepts
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Koh, Sam Boon Kiat; Fung, Fun Man – Journal of Chemical Education, 2018
A mobile application game has been adapted to teach students about laboratory instruments, glassware, apparatus, and techniques. The game was designed with reference to a popular icebreaker game, "Charades!", to ensure that it was easily accessible to students. Students will hold a mobile phone just above their forehead, which will then…
Descriptors: Science Instruction, Science Laboratories, Laboratory Equipment, Telecommunications
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Cardoso-Avila, Pablo Eduardo; Pichardo Molina, Juan Luis – Journal of Chemical Education, 2018
A laboratory experiment is described in which students synthesize silver nanospheres and transform them into other anisotropic morphologies (decahedral and disks) through a photochemical process. The photochemical transformation was followed by visible spectroscopy, and the resulting morphologies were analyzed using scanning electron microscopy.…
Descriptors: Chemistry, Science Instruction, Laboratory Experiments, Spectroscopy
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Murphy, Kevin V.; Turney, Justin M.; Schaefer, Henry F., III. – Journal of Chemical Education, 2018
Preceding even the Hartree-Fock method, molecular integrals are the very foundation upon which quantum chemical molecular modeling depends. Discussions of molecular integrals are normally found only in advanced and technical texts or articles. The objective of the present article is to provide less experienced readers, or students in a…
Descriptors: Teaching Methods, Molecular Structure, Chemistry, Science Instruction
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Sanders, Wesley C.; Valcarce, Ron; Iles, Peter; Smith, James S.; Glass, Gabe; Gomez, Jesus; Johnson, Glen; Johnston, Dan; Morham, Maclaine; Befus, Elliot; Oz, Aimee; Tomaraei, Mohammad – Journal of Chemical Education, 2017
This manuscript describes a laboratory experiment that provides students with an opportunity to create conductive silver nanogrids using polymeric templates. A microcontact-printed polyvinylpyrrolidone grid directs the citrate-induced reduction of silver ions for the fabrication of silver nanogrids on glass substrates. In addition to…
Descriptors: Laboratory Experiments, Undergraduate Students, Chemistry, Teaching Methods
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Kondratowicz, Izabela; Z?elechowska, Kamila – Journal of Chemical Education, 2017
The aim of this laboratory experiment is to utilize graphene oxide (GO) material to introduce undergraduate students to many well-known concepts of general chemistry. GO is a new nanomaterial that has generated worldwide interest and can be easily produced in every well-equipped undergraduate chemical laboratory. An in-depth examination of GO…
Descriptors: Undergraduate Students, Teaching Methods, Concept Teaching, Chemistry
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Ison, A.; Ison, E. A.; Perry, C. M. – Journal of Chemical Education, 2017
An effective way of teaching undergraduates a full complement of research skills is through a multiweek advanced laboratory experiment. Here we outline a comprehensive set of experiments adapted from current primary literature focusing on organic and inorganic synthesis, catalysis, reactivity, and reaction kinetics. The catalyst,…
Descriptors: Science Instruction, College Science, Undergraduate Study, Chemistry
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Warner, Terence E.; Klokker, Mads Galsgaard; Nielsen, Ulla Gro – Journal of Chemical Education, 2017
Zeolite Y has an iconic crystal structure, but more importantly, the hydrogen modification zeolite H-Y is the classic example of a solid acid which is used extensively as a catalyst in the oil industry. This metastable compound cannot be synthesized directly, which creates an opportunity to discuss various preparative strategies with the students,…
Descriptors: Undergraduate Study, Inorganic Chemistry, Scientific Concepts, Science Instruction
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