NotesFAQContact Us
Collection
Advanced
Search Tips
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing 16 to 30 of 129 results Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Vié, Clotilde; Fattaccioli, Jacques; Jacq, Philippe – Journal of Chemical Education, 2019
This activity introduces droplet-based millifluidics and the usage of aqueous droplets as independent chemical microreactors for reaction-kinetics studies. Students build their own droplet generators from common macroscopic glassware and connecting parts to create trains of millimeter-sized droplets in which a redox reaction takes place. The…
Descriptors: Chemistry, Kinetics, Undergraduate Students, College Science
Peer reviewed Peer reviewed
Direct linkDirect link
Geiger, William E. – Journal of Chemical Education, 2018
An integrated pair of experiments has been developed to introduce undergraduate students to the ways in which electrochemistry can complement conventional synthetic chemistry involving redox reactions. Students first use cyclic voltammetry and linear scan voltammetry to characterize and quantify the products of the reaction between…
Descriptors: Science Instruction, Science Experiments, College Science, Undergraduate Study
Peer reviewed Peer reviewed
Direct linkDirect link
Jin, Ying; Rodriguez, Christian A.; Shah, Lisa; Rushton, Gregory T. – Journal of Chemical Education, 2020
The current study examined the psychometric properties of scores from the Redox Concept Inventory (ROXCI) scores using both confirmatory factor analysis (CFA) and Rasch analysis. CFA analysis provides evidence for construct validity, and Rasch analysis demonstrates the performance of ROXCI items in terms of their accuracy in estimating person…
Descriptors: Psychometrics, Introductory Courses, Scores, Concept Formation
Peer reviewed Peer reviewed
Direct linkDirect link
Kelly, Resa M.; Akaygun, Sevil; Hansen, Sarah J. R.; Villalta-Cerdas, Adrian – Chemistry Education Research and Practice, 2017
In this qualitative study, we examined how a group of seventeen first semester General Chemistry students responded when they were shown contrasting molecular animations of a reduction-oxidation (redox) reaction between solid copper and aqueous silver nitrate for which they first viewed a video of the actual experiment. The animations contrasted…
Descriptors: Qualitative Research, Chemistry, Molecular Structure, Science Instruction
Peer reviewed Peer reviewed
Direct linkDirect link
Minkiewicz, Piotr; Darewicz, Malgorzata; Iwaniak, Anna – Journal of Chemical Education, 2018
A simple equation to calculate the oxidation states (oxidation numbers) of individual atoms in molecules and ions may be introduced instead of rules associated with words alone. The equation includes two of three categories of bonds, classified as proposed by Goodstein: number of bonds with more electronegative atoms and number of bonds with less…
Descriptors: Science Instruction, Secondary School Science, High Schools, College Science
Peer reviewed Peer reviewed
Direct linkDirect link
Basheer, Ahmad; Hugerat, Muhamad; Kortam, Naji; Hofstein, Avi – EURASIA Journal of Mathematics, Science & Technology Education, 2017
In this study we explored whether the use of teachers' demonstrations significantly improves students' understanding of redox reactions compared with control group counterparts who were not exposed to the demonstrations. The sample consisted of 131 Israeli 8th graders in middle schools (junior high school). Students' attitudes and achievements as…
Descriptors: Foreign Countries, High School Students, Arabs, Science Education
Martínez D., Omar; Obaya V., Adolfo Eduardo; Hernández B., Martha P.; Ponce P., Rubén Gerardo; Montaño O., Carlos; Vargas R., Yolanda Marina – Online Submission, 2020
Chemistry teaching learning is considered as difficult and boring. The definition of play, based on authors such as Freud, Piaget and Vigotsky, is presented as a stimulating, pleasant and voluntary activity that in the student facilitates his learning and encompasses the different facets of his physical, psychic, social and emotional development.…
Descriptors: Educational Games, Science Education, Science Instruction, Chemistry
Peer reviewed Peer reviewed
Direct linkDirect link
Gan, Hong Seng; Tee, Nicholas Yee Kwang; Bin Mamtaz, Mohammad Raziun; Xiao, Kevin; Cheong, Brandon Huey-Ping; Liew, Oi Wah; Ng, Tuck Wah – Biochemistry and Molecular Biology Education, 2018
The appreciation and understanding of gas generation through processes is vital in biochemical education. In this work, an augmented reality tool is reported to depict the redox reaction between hydrogen peroxide and sodium hypochlorite solutions, two ubiquitous oxidizing agents, to create oxygen, a combustible gas. As it operates out of…
Descriptors: Science Instruction, Teaching Methods, Simulated Environment, Scientific Concepts
Peer reviewed Peer reviewed
Direct linkDirect link
Goes, Shannon L.; Mayer, Mikayla N.; Nutting, Jordan E.; Hoober-Burkhardt, Lena E.; Stahl, Shannon S.; Rafiee, Mohammad – Journal of Chemical Education, 2021
Organic electrosynthesis is an increasingly popular tool for driving and probing redox reactions. Recent advances in this field often employ an electrocatalyst to enhance the selectivity and efficiency of electrochemical reactions. A laboratory experiment was developed to introduce students to relevant mechanistic techniques in electrochemistry…
Descriptors: Science Instruction, College Science, Hands on Science, Teaching Methods
Peer reviewed Peer reviewed
Direct linkDirect link
Eissen, Marco; Strudthoff, Merle; Backhaus, Solveig; Eismann, Carolin; Oetken, Gesa; Kaling, Soren; Lenoir, Dieter – Journal of Chemical Education, 2011
Oxidation-state and donor-acceptor concepts are important areas in the chemical education. Student worksheets containing problems that emphasize oxidation numbers, redox reactions of organic compounds, and stoichiometric reaction equations are presented. All of the examples are incorporated under one unifying topic: the production of vicinal…
Descriptors: Organic Chemistry, Worksheets, Science Education, Scientific Concepts
Peer reviewed Peer reviewed
Direct linkDirect link
Zakrzewski, Robert; Skowron, Monika; Ciesielski, Witold; Rembisz, Zaneta – Journal of Chemical Education, 2016
The laboratory experiment challenges students to determine 6-propyl-2-thiouracil (PTU) based on Prussian blue complex formation. Prussian blue is formed by ferricyanide and Fe(II) ions which are generated in situ from Fe(III) ions reduced by PTU. The absorbance of this product was measured at a wavelength of 840 nm, after a reaction time of 30…
Descriptors: Science Instruction, Science Laboratories, Science Experiments, Laboratory Experiments
Peer reviewed Peer reviewed
Direct linkDirect link
Cardinal, Pascal; Greer, Brandon; Luong, Horace; Tyagunova, Yevgeniya – Journal of Chemical Education, 2012
Electrophilic aromatic substitution is a fundamental topic taught in the undergraduate organic chemistry curriculum. A multistep synthesis that includes a safer and greener method for the bromination of an aromatic ring than traditional bromination methods is described. This experiment is multifaceted and can be used to teach students about…
Descriptors: Organic Chemistry, Science Instruction, College Science, Undergraduate Study
Peer reviewed Peer reviewed
Direct linkDirect link
González-Sánchez, María-Isabel; Gómez-Monedero, Beatriz; Agrisuelas, Jerónimo; Valero, Edelmira – Journal of Chemical Education, 2018
A laboratory experiment in which students recycle silver and platinum selectively from spent screen-printed platinum electrodes is described. The recovered silver in solution is used to show its spontaneous redox reaction with a copper sheet. The recovered platinum is electrodeposited onto a screen-printed carbon electrode to develop a sensor for…
Descriptors: Science Instruction, College Science, Chemistry, Science Laboratories
Peer reviewed Peer reviewed
Direct linkDirect link
Wan, Au Thien; San, Leong Yat; Omar, Mohammad Saiful – International Journal of Computer-Assisted Language Learning and Teaching, 2018
The purpose of this article was to evaluate the effectiveness of using mobile augmented reality (AR) instructional material for Year 10 science students in a secondary school in Brunei Darussalam. Specific learning styles were identified for the control and the experimental groups. A mobile AR application of instructional material was developed…
Descriptors: Science Instruction, Chemistry, Secondary School Students, Secondary School Science
Peer reviewed Peer reviewed
Direct linkDirect link
Silverstein, Todd P. – Journal of Chemical Education, 2011
IUPAC gives several different definitions of oxidation: loss of electrons, increase in oxidation state, loss of hydrogen, or gain of oxygen. Most introductory or general chemistry textbooks use all of these definitions at one time or another, which can lead to some confusion in the minds of first-year chemistry students. Some paradoxical…
Descriptors: Textbooks, Definitions, Chemistry, Science Instruction
Pages: 1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9