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Demoranville, Leonard T.; Kane, Olivia R.; Young, Karin J. – Journal of Chemical Education, 2020
Connecting chemical concepts with real-world applications has been demonstrated to increase persistence, student attitudes, and performance. In a one-semester general chemistry course, most laboratory exercises were designed to have direct implications on real-world issues, and students were asked to consider these implications. Students blogged…
Descriptors: Science Instruction, Acceleration (Education), Chemistry, Electronic Publishing
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Kondinski, Aleksandar; Moons, Jens; Zhang, Yujie; Bussé, Jakob; De Borggraeve, Wim; Nies, Erik; Parac-Vogt, Tatjana N. – Journal of Chemical Education, 2020
Single-type, 6-fold symmetrically grooved, and commercially accessible interlocking disks (ILDs) have been used for modeling of sp[superscript 2] hybridized carbon-based nanoarchitectures and complex polyhedral and reticular material models. In the case of the carbon-based nanoarchitectures, we showcase that the primary ILDs can be directly used…
Descriptors: Science Instruction, Inorganic Chemistry, Hands on Science, Molecular Structure
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Teichert, Melonie A.; Schroeder, Maria J.; Lin, Shirley; Dillner, Debra K.; Komperda, Regis; Bunce, Diane M. – Journal of Chemical Education, 2020
On the basis of the results of two prior studies at the US Naval Academy (USNA), which described the choice of study resources and the self-reported learning approaches of students of differing achievement levels, the current investigation examines how students of differing achievement levels in general chemistry actually solve multiple-choice…
Descriptors: Problem Solving, Chemistry, Science Instruction, Science Tests
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Dauzvardis, Fabian; Knapp, Alexander; Shein, Kaung Nan Dar; Lisensky, George – Journal of Chemical Education, 2020
In this brief experiment, students create a superhydrophobic surface as an application of polar--nonpolar interactions and redox chemistry. Half of a zincgalvanized steel strip is coated in copper nanoparticles through electroless deposition. A layer of nonpolar octadecanethiol is added to half of that copper surface. Students classify the three…
Descriptors: Science Instruction, Science Experiments, Chemistry, Undergraduate Study
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Wang, Tao; Yin, Weidong; Zhang, Shaoxiong; Li, Zhao; Zhang, Shengjun; Zhang, Bo; Ma, Hengchang – Journal of Chemical Education, 2020
This laboratory experiment visually demonstrates the advanced scientific concept of aggregation-induced emission (AIE) using hands-on learning methods. The experiment is divided into two parts: the first period consists of synthesis and isolation of the organic compound 2(TPA-O)-TPE using typical organic chemistry lab techniques; the second period…
Descriptors: Chemistry, Scientific Concepts, Hands on Science, Laboratory Experiments
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Lazenby, Katherine; Stricker, Avery; Brandriet, Alexandra; Rupp, Charlie A.; Becker, Nicole M. – Journal of Chemical Education, 2020
To engage meaningfully with scientific models, undergraduate students must come to understand what counts as a scientific model and why. To gain a sense of the characteristics that undergraduate chemistry students ascribe to scientific models, we analyzed survey data that address students' ideas about both model criteria in general and criteria…
Descriptors: Undergraduate Students, Chemistry, Science Instruction, Models
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Esvan, Yannick J.; Zeinyeh, Wael – Journal of Chemical Education, 2020
The Fourier transformation (FT) is a mathematical process frequently encountered by chemistry students. However, it remains an automated background process perceived by many students as difficult to understand. In this paper we present a simple open-source web application, which can help students to understand the basics of the FT applied to…
Descriptors: Chemistry, Spectroscopy, Laboratory Procedures, Laboratory Experiments
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Kirby, Matthew E.; Bullen, Jay C.; Hanif, M. D.; Heiba, Hany Fathy; Liu, Fengjie; Northover, George H. R.; Resongles, Eleonore; Weiss, Dominik J. – Journal of Chemical Education, 2020
Understanding the controls of the oxidation rate of iron (Fe) in oxygenated aquatic systems is fundamental for students of the Earth and Environmental Sciences as it defines the bioavailability of Fe, a trace metal essential for life. The laboratory experiment presented here was successfully developed and used during a third-year undergraduate lab…
Descriptors: Science Instruction, Chemistry, Science Laboratories, Science Experiments
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Marcos, Carlos F.; Neo, Ana G.; Díaz, Jesús; Martínez-Caballero, Sonia – Journal of Chemical Education, 2020
Radical chemistry is an essential part of the organic chemistry curriculum. Free radical halogenation experiments provide an excellent opportunity to introduce important topics related to the outcome and mechanism of organic reactions. In this communication, a green photochemically activated benzylic bromination of p-toluic acid is described. In…
Descriptors: Science Instruction, Organic Chemistry, Scientific Concepts, Light
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Holme, Thomas A.; MacKellar, Jennifer; Constable, David J. C.; Michels, Olga R.; Trate, Jaclyn M.; Raker, Jeffrey R.; Murphy, Kristen L. – Journal of Chemical Education, 2020
The American Chemical Society (ACS), Division of Chemical Education, Examinations Institute, has been developing content maps to describe comprehensively the undergraduate curriculum aligned to traditional subdisciplines. These content maps have been developed through the combined efforts of many faculty members who teach the targeted courses in…
Descriptors: Concept Mapping, Organic Chemistry, Conservation (Environment), College Science
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Crandell, Olivia M.; Lockhart, Macy A.; Cooper, Melanie M. – Journal of Chemical Education, 2020
This three-year study builds on prior work analyzing students' causal mechanistic explanations about acid-base reactions. Here we extend that work to characterize and investigate how students construct causal mechanistic explanations of simple nucleophilic substitution reactions. After an initial pilot study, we adopted a modified version of the…
Descriptors: Organic Chemistry, Science Process Skills, Scientific Concepts, Undergraduate Students
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Ryan, Emily; Manderlink, Aimee; Goldfarb, Jillian L. – Journal of Chemical Education, 2020
Dendrite growth affects material systems across applications as diverse as lithium batteries, organic light emitting diodes, turbine blades, and biological sensors. Their unique crystal structure and ability to physically see growth make for a unique undergraduate laboratory experience. This experiment uses dendrite growth to explore the physical…
Descriptors: Science Instruction, College Science, Undergraduate Study, Science Laboratories
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Wallen, Scott L.; Dhau, Jaspreet; Green, Robert; Wemple, Laura B.; Kelly, Troy, Jr.; Collins, Brent – Journal of Chemical Education, 2020
Over the past decade the Accreditation Board for Engineering and Technology, Inc. (ABET) has changed the general chemistry requirements to include a single introductory course for most engineering majors. There is a focus on outcomes that equip students with the ability to pass the Fundamentals of Engineering (FE) Exam and to work in…
Descriptors: Chemistry, Introductory Courses, Hands on Science, Laboratory Experiments
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Simões, Gustavo Borges; Badolato, Paulo Victor e Silva; Ignácio, Marcelo Dante; Cerqueira, Eduardo Coelho – Journal of Chemical Education, 2020
Zinc oxide is a common additive in food, cosmetics, and medicines. Here, we describe the validation of methods to analyze two pharmaceutical samples containing ZnO--talc powder and dermal ointment--by ethylenediaminetetraacetic acid (EDTA) titration. The methods developed were implemented as a practical class to students of a Quantitative Analysis…
Descriptors: Science Instruction, College Science, Undergraduate Study, Chemistry
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Walden, Sarah L.; Frisch, Hendrik; Unterreiner, Barbara V.; Unterreiner, Andreas-Neil; Barner-Kowollik, Christopher – Journal of Chemical Education, 2020
The prompt transfer of cutting-edge science into students' curricula is a challenging task. Often research experiments are too complex or expensive to be translated into a secondary or tertiary education setting. Herein, we introduce a laboratory experiment that translates the recently developed research technique of a wavelength dependent,…
Descriptors: Chemistry, Scientific Research, Laboratory Experiments, Physics
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