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Cheng, H. N.; Howell, Bob A. – Journal of Chemical Education, 2017
Polymer nomenclature is important because it is part of the language of polymer science and is needed for polymer identification, reference, and documentation. A primer on polymer nomenclature is provided herein for people new to the field or for instructional use. Both structurebased and source-based nomenclatures, together with trivial and trade…
Descriptors: Chemistry, Scientific Concepts, Undergraduate Students, Graduate Students
Venkataraman, Bhawani – Journal of Chemical Education, 2017
This paper describes a pedagogical approach to help students understand chemical bonding by emphasizing the importance of electrostatic interactions between atoms. The approach draws on prior studies that have indicated many misconceptions among students in understanding the nature of the chemical bond and energetics associated with bond formation…
Descriptors: Chemistry, Science Instruction, College Science, Undergraduate Study
Joseph, Ariana; Budden, Katherine; Cisek, Richard; Tokarz, Danielle – Journal of Chemical Education, 2018
In a university third-year instrumental chemistry laboratory students build a laser based polarimeter for determining light scattering with commercially available optical components used in modern optics research laboratories. During this laboratory experiment, students learn that solutions containing molecules which scatter light also influence…
Descriptors: Chemistry, Science Instruction, Undergraduate Students, Error Patterns
Kholod, Yana; Hoag, Erin; Muratore, Katlynn; Kosenkov, Dmytro – Journal of Chemical Education, 2018
The reported project-based laboratory unit introduces upper-division undergraduate students to the basics of computer-aided drug discovery as a part of a computational chemistry laboratory course. The students learn to perform model binding of organic molecules (ligands) to the DNA minor groove with computer-aided drug discovery (CADD) tools. The…
Descriptors: Science Laboratories, College Science, Undergraduate Study, Chemistry
White, Nicholas G. – Journal of Chemical Education, 2018
This experiment prepares a large (M[subscript r]: 1821 g mol[superscript -1]) triple helicate complex quickly in one pot from inexpensive starting materials. The protocol illustrates the power of self-assembly in a simple manner that is suitable for second-year general chemistry students using reversible imine bond and metal-ligand bond formation.…
Descriptors: Science Instruction, Science Experiments, Chemistry, Science Laboratories
Wilckowska Iwanek, Ewa; Glinski, Marek – Journal of Chemical Education, 2018
In this laboratory experiment, students performed thermogravimetric analysis (TGA) coupled with mass spectrometry (MS) of herbaceous materials (TGA-MS) and learned to analyze mass-loss curves, as well as identify common fragmentation ions. The experiment is the first one to present the application of TGA in a currently relevant topic: biomass…
Descriptors: Laboratory Experiments, Science Experiments, Science Laboratories, Measurement Equipment
Mustafa Ugras – Journal of Baltic Science Education, 2018
The aim of the present research is to explain how the heuristics utilized by the students in a multiple choice examination on the general chemistry subject of "chemical bonding theories and molecular structures" caused biases on intuitive judgment and decision making processes, using the three characteristics of associative memory…
Descriptors: Thinking Skills, Preservice Teachers, Teacher Education Programs, Decision Making
Quílez, Juan – Studies in Science Education, 2019
This study consists of a categorisation of the vocabulary of chemistry, focusing on the terminological difficulties students face when learning this subject. Therefore, this classification intends to provide chemistry teachers an awareness of the language barriers students must overcome in their understanding of this scientific discipline. Two…
Descriptors: Chemistry, Science Instruction, Verbs, Vocabulary Development
Konski, Krzysiek; Saw, Jessica; Torriero, Angel A. J. – Journal of Chemical Education, 2017
This letter comments on the paper "Analysis of Citric Acid in Beverages: Use of an Indicator Displacement Assay" ["J. Chem. Educ." 2010, 87 (8), 832-835 (EJ918557)]. Discrepancies in figures and host:indicator complex behavior are discussed and an alternative experimental protocol presented.
Descriptors: Undergraduate Students, College Science, Chemistry, Science Laboratories
Kohn, Kathryn P.; Underwood, Sonia M.; Cooper, Melanie M. – CBE - Life Sciences Education, 2018
Despite the number of university students who take courses in multiple science disciplines, little is known about how they connect concepts between disciplines. Energy is a concept that underlies all scientific phenomena and, as such, provides an appropriate context in which to investigate student connections and misconnections across disciplines.…
Descriptors: Chemistry, Biology, Science Instruction, Energy
Goldston, M. Jenice; Pan, Shanlin; Boykin, Karen; Allison, Elizabeth; Wehby, Scott – Science Teacher, 2016
Nanoscience development affects almost every discipline of science, engineering, and technology. Not surprisingly, "the science of small" is also finding its way into science classrooms. In general, "nano" refers to a billionth of a meter--about 1/50,000 the width of a hair follicle. The term "nanoparticle" usually…
Descriptors: Molecular Structure, Technology, Chemistry, Science Instruction
Askew, Jennifer; Gray, Ron – Science Teacher, 2016
British scientist John Dalton (1766-1844), French scientist Joseph Louis Gay-Lussac (1778-1850), and Italian scientist Amedeo Avogadro (1776-1856) are familiar to many chemistry students. Such students may understand the importance of Dalton's atomic theory, model how Gay-Lussac's law relates the pressure and the temperature of a gas, and use…
Descriptors: Science Instruction, Chemistry, Molecular Structure, Scientific Concepts
Rizvi, Masood Ahmad; Dangat, Yuvraj; Shams, Tahir; Khan, Khaliquz Zaman – Journal of Chemical Education, 2016
An unfavorable pH can block a feasible electron transfer for a pH dependent redox reaction. In this experiment, a series of potentiometric titrations demonstrate the sequential loss in feasibility of iron(II) dichromate redox reaction over a pH range of 0-4. The pH at which this reaction failed to occur was termed as a pH locked reaction. The…
Descriptors: Undergraduate Students, Chemistry, Thermodynamics, Spectroscopy
Tsarevsky, Nicolay V.; Woodruf, Shannon R.; Wisian-Neilson, Patty J. – Journal of Chemical Education, 2016
A two-session experiment is designed to introduce undergraduate students to concepts in catalysis, transition metal complexes, polymer synthesis, and postpolymerization modifications. In the first session, students synthesize poly(glycidyl methacrylate) via low-catalyst-concentration atom transfer radical polymerization (ATRP). The…
Descriptors: Undergraduate Students, Science Education, Chemistry, Science Laboratories
Eriksen, Kristina; Nielsen, Bjarne E.; Pittelkow, Michael – Journal of Chemical Education, 2020
We present a simple procedure to make an augmented reality app to visualize any chemical 3D model. The molecular structure may be based on crystallographic data or from computational modeling. This guide is made in such a way that no programming skills are needed, and the procedure uses free software and provides a way to visualize 3D structures…
Descriptors: Chemistry, Molecular Structure, Science Instruction, Teaching Methods