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Showing 1 to 15 of 110 results Save | Export
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Kwan, Ann H.; Mobli, Mehdi; Schirra, Horst J.; Wilson, Jennifer C.; Jones, Oliver A. H. – Journal of Chemical Education, 2019
Magnetic resonance is a powerful technology that has had a major impact across the physical, life, and medical sciences, from chemistry to medical imaging, with ever-expanding applications in new areas as diverse as mining and food science. It is, however, also a difficult subject to teach, as the theory is complex and requires some familiarity…
Descriptors: Undergraduate Students, College Science, College Faculty, Video Technology
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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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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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de Paula, Lucas F.; Ruggiero, Reinaldo – Journal of Chemical Education, 2018
Considering the large number of magnetic stirring hot plates that are damaged or unused in chemical laboratories, this Technology Report presents guidelines for students to be able to diagnose problems, and repair and maintain magnetic stirring hot plates using common and low-cost parts, or even repurposed materials. In addition, this paper…
Descriptors: Laboratory Experiments, Chemistry, Science Laboratories, Science Instruction
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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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Celius, Tevye C.; Peterson, Ronald C.; Anderson-Wile, Amelia M.; Kraweic-Thayer, Mitchell – Journal of Chemical Education, 2018
In this organic chemistry laboratory experiment, students are guided through a series of exercises to understand the behavior of compounds during liquid-liquid extraction. Aspects of density, structure, solubility, acid-base theory, and pK[subscript a] are all incorporated into activities that students complete in groups. After using their initial…
Descriptors: Organic Chemistry, Laboratory Experiments, Observation, Prediction
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Jones, Daniel R.; DiScenza, Dana J.; Mako, Teresa L.; Levine, Mindy – Journal of Chemical Education, 2018
Reported herein is a multidisciplinary laboratory experiment for advanced undergraduate students that includes elements of material synthesis, in the synthesis of cyclodextrin-containing metal-organic frameworks (CD-MOFs), and environmental chemistry, in the use of these MOFs for pollutant removal. This multiday laboratory experiment starts with…
Descriptors: Undergraduate Students, College Science, Laboratory Experiments, Science Instruction
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Dumeignil, Franck; Paul, Jean-Francois; Paul, Sebastien – Journal of Chemical Education, 2017
With the development of a strong bioeconomy sector related to the creation of next-generation biorefineries, heterogeneous catalysis is receiving renewed attention. Indeed, catalysis is at the core of biorefinery design, and many new catalysts and catalytic processes are being developed. On the one hand, they are based on knowledge acquired during…
Descriptors: Interdisciplinary Approach, Chemistry, Biology, Thermodynamics
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Meek, Simon J.; Pitman, Catherine L.; Miller, Alexander J. M. – Journal of Chemical Education, 2016
An introductory guide to deducing the mechanism of chemical reactions is presented. Following a typical workflow for probing reaction mechanism, the guide introduces a wide range of kinetic and mechanistic tools. In addition to serving as a broad introduction to mechanistic analysis for students and researchers, the guide has also been used by…
Descriptors: Science Instruction, College Science, Chemistry, Scientific Concepts
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Libman, Diana; Huang, Ling – Journal of Chemical Education, 2013
Chemistry-related software, or chemistry "apps", on hand-held and portable touch-controlled computers such as smartphones and iPods are seeing dramatic growth with increasing adoption rates. This review covers about 30 popular and mostly free apps that can be used to learn chemistry and to serve as reference or research tools. The target…
Descriptors: Science Instruction, Chemistry, Telecommunications, Handheld Devices
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Rossi, Robert D. – Journal of Chemical Education, 2013
Many students find the transition from first-year general chemistry to second-year organic chemistry a daunting task. There are many reasons for this, not the least of which is their lack of a solid understanding and appreciation of the importance of some basic concepts and principles from general chemistry that play an extremely critical role in…
Descriptors: College Science, Undergraduate Study, Scientific Concepts, Scientific Principles
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Burrmann, Nicola J.; Moore, John W. – Journal of Chemical Education, 2013
A Web-based stereochemistry tutorial is described that details the core definitions and structural representations of stereochemistry in an organic chemistry course. The Cahn-Ingold-Prelog rules and their application for assigning "R" and "S" orientations to stereocenters and "E" and "Z" orientations to…
Descriptors: Tutorial Programs, Molecular Structure, Electronic Learning, Web Based Instruction
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Smieja, Joanne A. – Journal of Chemical Education, 2011
Household water treatments (HWT) can help provide clean water to millions of people worldwide who do not have access to safe water. This article describes four common HWT used in developing countries and the pertinent chemistry involved. The intent of this article is to inform both high school and college chemical educators and chemistry students…
Descriptors: Water Quality, Chemistry, Developing Nations, Water Pollution
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Martineau, Eric; Boisvert, Louise – Journal of Chemical Education, 2011
Wikipedia represents a revolution in the way knowledge is communicated and a potential threat to traditional encyclopedias. Wikipedia is widely used as a reference in academic assignments. Unfortunately, for the neophyte, it may be hard to assess the completeness and the accuracy of a contribution to Wikipedia. In this article, we describe an…
Descriptors: Encyclopedias, Web Sites, College Science, Critical Thinking
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Furlan, Ping Y. – Journal of Chemical Education, 2009
This manuscript reports on efforts to introduce beginning college students to the modern nanoscience field. These include: implementing selected experiments into sequencing core first-year and second-year chemistry laboratory courses; providing students with a first research experience; and engaging them in service learning and outreach programs…
Descriptors: Elementary Secondary Education, Outreach Programs, Service Learning, Chemistry
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