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Journal of Chemical Education10173
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Showing 106 to 120 of 10,173 results Save | Export
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Pearson, Russell J. – Journal of Chemical Education, 2019
During problem-based learning sessions, undergraduate students were tasked with answering chemistry-related questions using clicker-handset technology in which the last response made by each handset would override any previous vote. The benefits, if any, of showing cohort responses from clicker questions during versus after polling were explored.…
Descriptors: Peer Teaching, Audience Response Systems, Problem Based Learning, Undergraduate Students
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Fischer, Christian; Zhou, Ninger; Rodriguez, Fernando; Warschauer, Mark; King, Susan – Journal of Chemical Education, 2019
This quantitative study examines the impact of a three-week online organic preparatory course for chemistry undergraduates that is designed to improve student performance in the subsequent organic chemistry course series (N = 1,289). Organic chemistry often serves as a gatekeeper for students pursuing careers in science, technology, engineering,…
Descriptors: Academic Achievement, Organic Chemistry, Science Instruction, College Science
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Rodriguez Ortega, P. G.; Jaraices, R. Casas; Romero-Ariza, Marta; Montejo, M. – Journal of Chemical Education, 2019
Laboratory experiences are a key and integral part of the chemistry degree that are intended to provide the students the necessary training for laboratory work and improve their scientific reasoning/research abilities and their understanding of the uncertainty in experimental measurements. Despite the unquestionable capacity of hands-on laboratory…
Descriptors: Inquiry, Active Learning, Logical Thinking, Spectroscopy
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Vitaku, Edon; Christie, Hamish S. – Journal of Chemical Education, 2019
A reliable method for bleach-based alcohol oxidation has been developed. Use of sodium bisulfate as the acid additive in the reaction mixture eliminates the various problems associated with acetic acid, which has commonly been used for this type of oxidation. By conducting the reaction in an ethyl acetate/water two-phase reaction mixture,…
Descriptors: College Science, Science Instruction, Laboratory Procedures, Science Laboratories
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Roupioz, Yoann – Journal of Chemical Education, 2019
A simple bioassay was designed for the detection of adenosine, a human metabolite involved in several physiological processes, on the basis of the functionalization of gold nanoparticles with DNA oligonucleotides selectively binding adenosine. The test was possible thanks to the selective and sensitive binding of adenosine by two DNA…
Descriptors: College Science, Science Instruction, Science Experiments, Metabolism
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Llanos, Javier; Pérez, Ángel; de Lucas-Consuegra, Antonio – Journal of Chemical Education, 2019
This work presents a laboratory to help chemical-engineering students understand the basic concepts of corrosion. This laboratory has been performed since academic year 2011-2012 in the framework of the subject "Design of equipment and installations" for the third year of the Chemical Engineering Degree of the University of Castilla-La…
Descriptors: Science Instruction, Chemical Engineering, Laboratory Experiments, Scientific Concepts
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Stephenson, Norda S.; Miller, Imron R.; Sadler-McKnight, Novelette P. – Journal of Chemical Education, 2019
The Peer-Led Team Learning (PLTL) and the Science Writing and Workshop Template (SWWT) are two active learning instructional approaches which combine writing, inquiry, collaboration, and reflection, elements which have been associated with critical thinking development. In this study, we used a quasi-experimental pretest-post-test design to…
Descriptors: Peer Teaching, Science Instruction, Technical Writing, Workshops
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Karch, Jessica M.; Valles, Josibel C. García; Sevian, Hannah – Journal of Chemical Education, 2019
When characterizing students' item-solving strategies, methods such as interviews and think-aloud protocols are often used. However, these measures provide limited information about sub-or preconscious signals and cognitive processes that also affect students' item-solving strategies and abilities. A growing number of researchers in chemical…
Descriptors: Cognitive Processes, Difficulty Level, Eye Movements, Chemistry
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Pergantis, Spiros A.; Saridakis, Lakovos; Lyratzakis, Alexandros; Mavroudakis, Leonidas; Montagnon, Tamsyn – Journal of Chemical Education, 2019
Teaching the concept of pH buffers is considered to be important both in the final high-school years and at the early undergraduate level. Here, we propose the use of pH-log C diagrams to investigate the properties of pH buffers. This graphical approach is extremely simple to employ because it only requires drawing a simple square that can then be…
Descriptors: Visual Aids, Chemistry, Scientific Concepts, Concept Teaching
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Molina, Manuel F.; Carriazo, José G. – Journal of Chemical Education, 2019
The American Chemical Society's Chemistry Festivals, or "Festivales de Química," are community events where chemistry professionals, professors, teachers, and students use hands-on activities to engage the public and demonstrate how chemistry appears in our everyday life. The Chemistry Festival Organizers received training from the ACS,…
Descriptors: Foreign Countries, Science Interests, Scientific Attitudes, Chemistry
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Kovarik, Michelle L.; Robinson, Jill K. – Journal of Chemical Education, 2019
A collaborative learning module for teaching protein mass spectrometry has been developed to overcome common obstacles to incorporating the modern topic of biological mass spectrometry into the undergraduate chemistry curriculum. Protein mass spectrometry data is provided to eliminate the need for expensive instrumentation, and an instructor's…
Descriptors: Cooperative Learning, Spectroscopy, College Science, Science Instruction
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Vergne, Matthew J.; Simmons, Joshua D.; Bowen, Ryan S. – Journal of Chemical Education, 2019
An escape-room-game activity was introduced to foster team building and collaborative learning in a laboratory-experiment setting. The students were placed in a laboratory with clues and puzzles that required the students to use a sequence of analytical instruments in the laboratory in order to escape. The instruments utilized included a UV-vis…
Descriptors: Educational Games, Science Laboratories, Laboratory Experiments, Cooperative Learning
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Cresswell, Sarah L.; Loughlin, Wendy A.; Coster, Mark J.; Green, David M. – Journal of Chemical Education, 2019
Success in undergraduate chemical experiments requires students to develop knowledge and skills of instrumentation, equipment, and chemical techniques. In this technology report, we propose an adaptable and user-focused strategy to improve students' foundational skill and proficiency with chemical laboratory techniques and instrumentation. The…
Descriptors: Interactive Video, Chemistry, Science Instruction, Undergraduate Students
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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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Halpern, Arthur M.; Noll, Robert J. – Journal of Chemical Education, 2019
A spreadsheet-based exercise for students is described in which they are challenged to explain and reproduce the disparate temperature dependencies of the heat capacities of gaseous F[subscript 2] and N[subscript 2]. For F[subscript 2], C[subscript p,m] increases from 300 K, reaches a maximum at 2200 K, and then decreases to 74% of the maximum…
Descriptors: Chemistry, Spreadsheets, Learning Activities, Molecular Structure
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