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Journal Articles: 29 results
Introducing Undergraduate Students to Electrochemistry: A Two-Week Discovery Chemistry Experiment  Kenneth V. Mills, Richard S. Herrick, Louise W. Guilmette, Lisa P. Nestor, Heather Shafer, and Mauri A. Ditzler,
Within the framework of a laboratory-focused, guided-inquiry pedagogy, students discover the Nernst equation, the spontaneity of galvanic cells, concentration cells, and the use of electrochemical data to calculate equilibrium constants.
Mills, Kenneth V.; Herrick, Richard S.; Guilmette, Louise W.; Nestor, Lisa P.; Shafer, Heather;Ditzler, Mauri A. J. Chem. Educ. 2008, 85, 1116.
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials |
Equilibrium
Preparation of Conducting Polymers by Electrochemical Methods and Demonstration of a Polymer Battery  Hiromasa Goto, Hiroyuki Yoneyama, Fumihiro Togashi, Reina Ohta, Akitsu Tsujimoto, Eiji Kita, and Ken-ichi Ohshima
The electrochemical polymerization of aniline and pyrrole, and demonstrations of electrochromism and the polymer battery effect, are presented as demonstrations suitable for high school and introductory chemistry at the university level.
Goto, Hiromasa; Yoneyama, Hiroyuki; Togashi, Fumihiro; Ohta, Reina; Tsujimoto, Akitsu; Kita, Eiji; Ohshima, Ken-ichi. J. Chem. Educ. 2008, 85, 1067.
Aromatic Compounds |
Conductivity |
Electrochemistry |
Materials Science |
Oxidation / Reduction |
Polymerization
Redox Titration of Ferricyanide to Ferrocyanide with Ascorbic Acid: Illustrating the Nernst Equation and Beer–Lambert Law  Tina H. Huang, Gail Salter, Sarah L. Kahn, and Yvonne M. Gindt
In this simple experiment, which illustrates the Nernst equation and BeerLambert law, students monitor the reduction of ferricyanide ion to ferrocyanide electrochemically and spectrophoto-metrically upon titration with ascorbic acid. The Nernst equation is used to calculate the standard reduction potential of the redox couple at pH 7 and the number of electrons transferred.
Huang, Tina H.; Salter, Gail; Kahn, Sarah L.; Gindt, Yvonne M. J. Chem. Educ. 2007, 84, 1461.
Coordination Compounds |
Electrochemistry |
Potentiometry |
Spectroscopy |
UV-Vis Spectroscopy
Laboratory Experiments on the Electrochemical Remediation of the Environment. Part 7: Microscale Production of Ozone  Jorge G. Ibanez, Rodrigo Mayen-Mondragon, M. T. Moran-Moran, Alejandro Alatorre-Ordaz, Bruce Mattson, and Scot Eskestrand
Ozone, a powerful oxidizing and disinfecting agent, is produced electrochemically in the undergraduate laboratory with simple equipment and under very mild conditions. Tests are given to characterize it, to observe its action in simulated environmental applications, and to measure its rate of production.
Ibanez, Jorge G.; Mayen-Mondragon, Rodrigo; Moran-Moran, M. T.; Alatorre-Ordaz, Alejandro; Mattson, Bruce; Eskestrand, Scot. J. Chem. Educ. 2005, 82, 1546.
Aqueous Solution Chemistry |
Descriptive Chemistry |
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials |
Laboratory Equipment / Apparatus |
Microscale Lab |
Oxidation / Reduction |
Reactions
Kinetics of Alcohol Dehydrogenase-Catalyzed Oxidation of Ethanol Followed by Visible Spectroscopy  Kestutis Bendinskas, Christopher DiJiacomo, Allison Krill, and Ed Vitz
A two-week biochemistry experiment was introduced in the second-semester general chemistry laboratory to study the oxidation of ethanol in vitro in the presence of the enzyme alcohol dehydrogenase (ADH). This reaction should pique student interest because the same reaction also occurs in human bodies when alcoholic drinks are consumed. Procedures were developed to follow the biochemical reaction by visible spectroscopy and to avoid specialized equipment. The effect of substrate concentration on the rate of this enzymatic reaction was investigated during the first week. The effects of temperature, pH, the specificity of the enzyme to several substrates, and the enzyme's inhibition by heavy metals were explored during the second week.
Bendinskas, Kestutis; DiJiacomo, Christopher; Krill, Allison; Vitz, Ed. J. Chem. Educ. 2005, 82, 1068.
Enzymes |
Kinetics |
Oxidation / Reduction |
Reactions |
UV-Vis Spectroscopy |
Alcohols |
Biophysical Chemistry |
Food Science
Conceptual Considerations in Molecular Science  Donald T. Sawyer
The undergraduate curriculum and associated textbooks include several significant misconceptions.
Sawyer, Donald T. J. Chem. Educ. 2005, 82, 985.
Catalysis |
Covalent Bonding |
Electrolytic / Galvanic Cells / Potentials |
Oxidation / Reduction |
Reactions |
Reactive Intermediates |
Thermodynamics |
Water / Water Chemistry
Determining Oxidation–Reduction on a Simple Number Line  Amy L. Cox and James R. Cox
Using a simple number line to analyze oxidation-reduction reactions encountered in introductory/general chemistry, organic chemistry, and biochemistry.
Cox, Amy L.; Cox, James R. J. Chem. Educ. 2002, 79, 965.
Oxidation / Reduction
Demonstrating Electron Transfer and Nanotechnology: A Natural Dye-Sensitized Nanocrystalline Energy Converter  Greg P. Smestad and Michael Gratzel
A unique solar cell fabrication procedure has been developed using natural anthocyanin dyes extracted from berries. It can be reproduced with a minimum amount of resources in order to provide an interdisciplinary approach for lower-division undergraduate students learning the basic principles of biological extraction, physical chemistry, and spectroscopy as well as environmental science and electron transfer.
Smestad, Greg P.; Grtzel, Michael. J. Chem. Educ. 1998, 75, 752.
Photochemistry |
Plant Chemistry |
Electrochemistry |
Atomic Properties / Structure |
Dyes / Pigments |
Nanotechnology |
Separation Science |
Spectroscopy
A Low-Cost and High-Performance Conductivity Meter  Rogerio T. da Rocha, Ivano G. R. Gutz, and Claudimir L. do Lago
A two-electrode conductivimeter is described, which keep good performance in spite of its low cost.
da Rocha, Rogerio T. ; Gutz, Ivano G.R. ; do Lago, Claudimir L. J. Chem. Educ. 1997, 74, 572.
Instrumental Methods |
Conductivity |
Electrochemistry |
Laboratory Equipment / Apparatus
An Interactive Multimedia Software Program for Exploring Electrochemical Cells  Greenbowe, Thomas J.
The "Electrochemical Workbench" is one component of a software package that allows students and faculty to explore building and testing electrochemical cells by simulating a chemistry laboratory in which students can perform experiments.
Greenbowe, Thomas J. J. Chem. Educ. 1994, 71, 555.
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials |
Aqueous Solution Chemistry
Investigating protective coatings for steel   Runyan, Tom; Herrmann, Mary
Learning about corrosion chemistry provides students with authentic inquiry experience as well as an opportunity to learn relevant and applicable content.
Runyan, Tom; Herrmann, Mary J. Chem. Educ. 1993, 70, 843.
Oxidation / Reduction |
Acids / Bases |
Metals |
Applications of Chemistry |
Consumer Chemistry |
Materials Science
The electrician's multimeter in the chemistry teaching laboratory: Part 2: Potentiometry and conductimetry  Sevilla, Fortunato, III; Alfonso, Rafael L.; Andres, Roberto T.
Further applications of the multimeter in chemistry laboratories are discussed in this paper: potentiometry, reduction potentials and cell EMF, the Nerst equations, pH measurements, titration, conductimetry, and conduction of solutions.
Sevilla, Fortunato, III; Alfonso, Rafael L.; Andres, Roberto T. J. Chem. Educ. 1993, 70, 580.
Acids / Bases |
Solutions / Solvents |
Titration / Volumetric Analysis |
Electrochemistry |
Laboratory Equipment / Apparatus |
Potentiometry
The conversion of chemical energy: Part 1. Technological examples  Wink, Donald J.
When a chemical reaction occurs, the energy of the chemical species may change and energy can be released or absorbed from the surroundings. This can involve the exchange of chemical energy with another kind of energy or with another chemical system.
Wink, Donald J. J. Chem. Educ. 1992, 69, 108.
Reactions |
Thermodynamics |
Electrochemistry |
Photosynthesis
In praise of copper  Tykodi, R. J.
The reactions of copper make impressive lecture demonstrations and worthwhile laboratory activities.
Tykodi, R. J. J. Chem. Educ. 1991, 68, 106.
Reactions |
Oxidation / Reduction
Reactivity of nickel  Birk, James P.; Ronan, Martha; Bennett, Imogene; Kinney, Cheri
A series of experiments which lead to observations about the reactivity of nickel. [Debut]
Birk, James P.; Ronan, Martha; Bennett, Imogene; Kinney, Cheri J. Chem. Educ. 1991, 68, 48.
Reactions |
Quantitative Analysis |
Coordination Compounds |
Oxidation State |
Electrochemistry
Redox reactions and the electropotential axis   Vella, Alfred J.
An introductory discussion should not get bogged down with the problems of representing cells by standard cell diagrams and notations and instead should concentrate on the chemistry of galvanic cells and the use of these cells in describing the concepts of redox chemistry.
Vella, Alfred J. J. Chem. Educ. 1990, 67, 479.
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials |
Electrochemistry
Using NASA and the space program to help high school and college students learn chemistry. Part II. The current state of chemistry in the space program  Kelter, Paul B.; Snyder, William E.; Buchar, Constance S.
Examples and classroom applications in the areas of spectroscopy, materials processing, and electrochemistry.
Kelter, Paul B.; Snyder, William E.; Buchar, Constance S. J. Chem. Educ. 1987, 64, 228.
Astrochemistry |
Spectroscopy |
Materials Science |
Electrochemistry |
Crystals / Crystallography
Thermodynamics and reactions in the dry way  Tykodi, Ralph J.
In dealing with reactions in the dry way, we can actually "see" in detail the workings of the thermodynamic machinery responsible for moving the reaction in the spontaneous direction. This note presents ideas at the general chemistry level.
Tykodi, Ralph J. J. Chem. Educ. 1986, 63, 107.
Thermodynamics |
Oxidation / Reduction
Understanding electrochemistry: Some distinctive concepts  Faulkner, Larry R.
This article addresses a few basic ideas about electrochemical systems that cause confusion among novice students. From State-of-the-Art Symposium: Electrochemistry, ACS meeting, Kansas City, 1982.
Faulkner, Larry R. J. Chem. Educ. 1983, 60, 262.
Electrochemistry
Artifacts and the Electromotive Series  Mickey, Charles D.
The chemistry of metals and its application to archeology.
Mickey, Charles D. J. Chem. Educ. 1980, 57, 275.
Electrochemistry |
Metals |
Applications of Chemistry |
Metallurgy |
Reactions
Isoenzymes  Daugherty, N. A.
The separation, identification, and measurement of isoenzymes is an appropriate topic for a special lecture in general chemistry.
Daugherty, N. A. J. Chem. Educ. 1979, 56, 442.
Enzymes |
Proteins / Peptides |
pH |
Electrophoresis |
Separation Science |
Electrochemistry |
Applications of Chemistry
Reference electrodes  Caton, Roy D., Jr.
Examines reference electrodes, including both aqueous and nonaqueous reference electrodes.
Caton, Roy D., Jr. J. Chem. Educ. 1973, 50, A571.
Electrochemistry |
Instrumental Methods
Biogalvanic cells  Plumb, Robert C.; Hobey, W. D.
Explains the chemistry behind the potential development of an electrochemical cell that generates electricity using inert electrodes implanted in bodily fluids.
Plumb, Robert C.; Hobey, W. D. J. Chem. Educ. 1972, 49, 413.
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials
General chemistry experiments: Six short, inexpensive procedures  Heit, M. L.; Dauphinee, G. A.
These simple experiments involve conductivity comparisons of derivatives of the acetate ion, paper chromatography, sublimation, the effect of temperature on equilibrium, the detection of I-, and an example of an equilibrium shift.
Heit, M. L.; Dauphinee, G. A. J. Chem. Educ. 1970, 47, 532.
Electrochemistry |
Chromatography |
Phases / Phase Transitions / Diagrams |
Equilibrium |
Oxidation / Reduction
Biological oxidations and energy conservation  Kirschbaum, Joel
Examines the oxidative steps leading to the synthesis of ATP in living organisms and their metabolic control.
Kirschbaum, Joel J. Chem. Educ. 1968, 45, 28.
Bioenergetics |
Oxidation / Reduction |
Thermodynamics |
Metabolism
VII - Combustion and flame  Anderson, Robbin C.
Presents and describes an extensive bibliography on the study of combustion and flames.
Anderson, Robbin C. J. Chem. Educ. 1967, 44, 248.
Oxidation / Reduction |
Reactions |
Gases
Ionization, electricity. B. Production of electricity. C. Consumption of electricity.  Jackman, Kenneth; Ulery, Denver; Rogers, Crosby; Hornbeck, LeRoy G.; Barnard, Robert; Alyea, Hubert N.; Jackman, Kenneth V.; Burke, Christie
Demonstrations include the hydrogen electrode, H-electrode generating its own H2, consumption of electricity, Zn-Cu coupling, overvoltage, the Faraday effect, lead storage battery, and the electrolysis of NaCl.
Jackman, Kenneth; Ulery, Denver; Rogers, Crosby; Hornbeck, LeRoy G.; Barnard, Robert; Alyea, Hubert N.; Jackman, Kenneth V.; Burke, Christie J. Chem. Educ. 1966, 43, A658.
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials
Electro-osmosis as a demonstration experiment. Coupled irreversible effects and direct energy conversion  Dixon, John R.; Schafer, Frank W.
When a stream of water is forced through a porous pug or other resistance associated with a pressure drop, an electrical potential is developed between the high and low pressure sides of the resistance.
Dixon, John R.; Schafer, Frank W. J. Chem. Educ. 1966, 43, 380.
Electrochemistry
Common sources of confusion; Electrode sign conventions  Anson, Fred C.
Examines common sources of confusion with respect to electrode signs and recommends new conventions.
Anson, Fred C. J. Chem. Educ. 1959, 36, 394.
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials