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Journal Articles: 44 results
Textbook Error: Short Circuiting an Electrochemical Cell  Judith M. Bonicamp and Roy W. Clark
Reports a serious error in the electrochemical diagrams in eight, 21st century texts and offers an analogy to electrical potential energy and a diagram to clarify the interrelationships between electromotive force E, reaction quotient Q, and Gibbs free energy G.
Bonicamp, Judith M.; Clark, Roy W. J. Chem. Educ. 2007, 84, 731.
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials
A Lemon Cell Battery for High-Power Applications  Kenneth R. Muske, Christopher W. Nigh, and Randy D. Weinstein
This article discusses the development of a lemon cell battery for high-power applications such as radios, portable cassette or CD players, and battery-powered toys.
Muske, Kenneth R.; Nigh, Christopher W.; Weinstein, Randy D. J. Chem. Educ. 2007, 84, 635.
Applications of Chemistry |
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials
Effectiveness of Conceptual Change-Oriented Teaching Strategy To Improve Students' Understanding of Galvanic Cells  Ali Riza Özkaya, Musa Üce, Hakan Sariçayir, and Musa Sahin
This article presents efforts to develop a conceptual change-oriented strategy to teaching galvanic cells in electrochemistry. The objective is to assess the effectiveness of conceptual change-oriented instruction relative to conventional instruction using statistical comparisons.
Özkaya, Ali Riza; Üce, Musa; Sariçayir, Hakan; Sahin, Musa. J. Chem. Educ. 2006, 83, 1719.
Electrochemistry |
Equilibrium |
Oxidation / Reduction |
Undergraduate Research
A Direct Methanol Fuel Cell  Orfeo Zerbinati
Materials and methods for construction of a direct methanol fuel cell.
Zerbinati, Orfeo. J. Chem. Educ. 2002, 79, 829.
Electrochemistry |
Laboratory Equipment / Apparatus |
Electrolytic / Galvanic Cells / Potentials
Conceptual Difficulties Experienced by Prospective Teachers in Electrochemistry: Half-Cell Potential, Cell Potential, and Chemical and Electrochemical Equilibrium in Galvanic Cells  Ali Riza Özkaya
Study of prospective teachers' conceptual understanding of topics in electrochemistry.
Özkaya, Ali Riza. J. Chem. Educ. 2002, 79, 735.
Electrochemistry |
Equilibrium |
Electrolytic / Galvanic Cells / Potentials
A Chemically Relevant Model for Teaching the Second Law of Thermodynamics  Bryce E. Williamson and Tetsuo Morikawa
Presentation of a chemically relevant model that exemplifies many aspects of the second law: reversibility, path dependence, and extrapolation in terms of electrochemistry and calorimetry.
Williamson, Bryce E.; Morikawa, Tetsuo. J. Chem. Educ. 2002, 79, 339.
Calorimetry / Thermochemistry |
Electrochemistry |
Thermodynamics
The Lead-Acid Battery: Its Voltage in Theory and in Practice  Richard S. Treptow
Lead-acid battery fundamentals, cell voltage and the Nernst equation, and an analysis of actual battery performance.
Treptow, Richard S. J. Chem. Educ. 2002, 79, 334.
Electrochemistry |
Oxidation / Reduction |
Thermodynamics |
Electrolytic / Galvanic Cells / Potentials |
Acids / Bases |
Applications of Chemistry
Melting Point, Density, and Reactivity of Metals  Michael Laing
Using melting points and densities to the predict the relative reactivities of metals.
Laing, Michael. J. Chem. Educ. 2001, 78, 1054.
Descriptive Chemistry |
Metals |
Periodicity / Periodic Table |
Physical Properties |
Reactions |
Thermodynamics |
Calorimetry / Thermochemistry |
Electrochemistry
Potentiometric Determination of CO2 Concentration in the Gaseous Phase: Applications in Different Laboratory Activities  Eduardo Cortón, Santiago Kocmur, Liliana Haim, and Lydia Galagovsky
The first lab comprises the calibration of a CO2 potentiometric detector with gas mixtures. The CO2 and CO2-free air required for the gaseous samples are produced in the lab by an inexpensive and simple apparatus. In the second lab, the CO2 potentiometric device is used to measure CO2 uptake and release during different metabolic processes.
Cortón, Eduardo; Kocmur, Santiago; Haim, Liliana; Galagovsky, Lydia. J. Chem. Educ. 2000, 77, 1188.
Electrochemistry |
Gases |
Quantitative Analysis |
Metabolism
Slide Projector Corrosion Cell  Silvia Tejada, Estela Guevara, and Esperanza Olivares
The process of corrosion can be demonstrated in a slide projector, since the cell is in the shape of a slide, or on the stage of an overhead projector by setting up a simple galvanic cell. Corrosion occurs as the result of a galvanic cell reaction, in which the corroding metal acts as the anode. Several simple demonstrations relating to corrosion are described here.
Tejada, Silvia; Guevara, Estela; Olivares, Esperanza. J. Chem. Educ. 1998, 75, 747.
Electrochemistry |
Microscale Lab |
Oxidation / Reduction |
Reactions |
Electrolytic / Galvanic Cells / Potentials |
Applications of Chemistry
A Simple Method for Determining the Temperature Coefficient of Voltaic Cell Voltage  Alfred E. Saieed, Keith M. Davies
This article describes a relatively simple method for preparing voltaic cells, and through their temperature coefficient, ?E/?T, it explores relationships between ?G, ?H,and ?S for the cell reactions involved.
Saieed, Alfred E.; Davies, Keith M. J. Chem. Educ. 1996, 73, 959.
Electrochemistry |
Calorimetry / Thermochemistry |
Thermodynamics |
Electrolytic / Galvanic Cells / Potentials |
Laboratory Equipment / Apparatus |
Laboratory Management |
Oxidation / Reduction
From Christmas Ornament to Glass Electrode  Rogério T. da Rocha, Ivano G. R. Gutz, and Claudimir L. do Lago
Instructions and use of a homemade glass electrode for pH measurements/titrations.
Da Rocha, Rogerio T.; Gutz, Ivano G. R.; do Lago, Claudimir L. J. Chem. Educ. 1995, 72, 1135.
Laboratory Equipment / Apparatus |
Electrochemistry |
Titration / Volumetric Analysis |
Ion Selective Electrodes |
Aqueous Solution Chemistry |
Acids / Bases |
Laboratory Management |
pH
What Does It Mean?: Reflections on Concentration, Activity, and Electrode Potential  Pietro Lanza
Explanation of electrode potential and the mechanism of the electrode process for determining concentration.
Lanza, Pietro. J. Chem. Educ. 1995, 72, 1009.
Solutions / Solvents |
Aqueous Solution Chemistry |
Atomic Properties / Structure |
Ion Selective Electrodes |
Electrochemistry
Using the Biological Cell in Teaching Electrochemistry  Merkel, Eva Gankiewicz
How electricity is produced in a simple cell is correlated with how commercial batteries work; this concept can then be related to how living cells send electrical impulses.
Merkel, Eva Gankiewicz J. Chem. Educ. 1994, 71, 240.
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials |
Equilibrium
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 use of equilibrium notation in listings of standard potentials.  Donkersloot, Maarten C. A.
The difficulty in equilibrium notation of standard electrode potentials is due to the convention that half-reactions must be written as reductions if the given potential is to be called a (standard) electrode potential.
Donkersloot, Maarten C. A. J. Chem. Educ. 1992, 69, 256.
Equilibrium |
Electrochemistry
Electrochemical conventions: Responses to a provocative opinion (6)  Martin-Sanchez, M.; Martin-Sanchez, MaT
The solution may be to use the etymological meaning of anode and cathode.
Martin-Sanchez, M.; Martin-Sanchez, MaT J. Chem. Educ. 1990, 67, 992.
Electrochemistry |
Nomenclature / Units / Symbols |
Electrolytic / Galvanic Cells / Potentials
Electrochemical conventions: Responses to a provocative opinion (5)  Sweeting, Linda M.
The chemical potential of the electrons, not their "richness" determines direction of flow.
Sweeting, Linda M. J. Chem. Educ. 1990, 67, 992.
Electrochemistry |
Nomenclature / Units / Symbols |
Electrolytic / Galvanic Cells / Potentials
Electrochemical conventions: Responses to a provocative opinion (4)  Fochi, Giovanni
It is sufficient to show what part of the circuit is the electric generator.
Fochi, Giovanni J. Chem. Educ. 1990, 67, 992.
Electrochemistry |
Nomenclature / Units / Symbols |
Electrolytic / Galvanic Cells / Potentials
Electrochemical conventions: Responses to a provocative opinion (3)  Woolf, A. A.
There are no shortcuts in teaching the electrochemistry of galvanic cells; the process in each cell must be treated holistically.
Woolf, A. A. J. Chem. Educ. 1990, 67, 992.
Electrochemistry |
Nomenclature / Units / Symbols |
Electrolytic / Galvanic Cells / Potentials
Electrochemical conventions: Responses to a provocative opinion (2)  Castellan, Gilbert W.
The difficulty is not so much confusion over conventions as the actual wrong use of terminology.
Castellan, Gilbert W. J. Chem. Educ. 1990, 67, 991.
Electrochemistry |
Nomenclature / Units / Symbols |
Electrolytic / Galvanic Cells / Potentials
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
Alleviating the common confusion caused by polarity in electrochemistry  Moran, P. J.; Gileadi, E.
The issue of polarity encountered in electrochemistry and relevant to a variety of electrochemical concepts often confuses students and is an unnecessary deterrent to the study of electrochemistry.
Moran, P. J.; Gileadi, E. J. Chem. Educ. 1989, 66, 912.
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials
Outmoded terminology: The normal hydrogen electrode  Ramette, R. W.
As educators, we should not confuse the "normal hydrogen electrode" with the "standard hydrogen electrode".
Ramette, R. W. J. Chem. Educ. 1987, 64, 885.
Electrochemistry |
Nomenclature / Units / Symbols
Safe and reliable electrode storage  Williams, Howard P.
A container that prevents evaporation and keeps electrodes ready for use.
Williams, Howard P. J. Chem. Educ. 1987, 64, 556.
Laboratory Equipment / Apparatus |
Laboratory Management |
Electrochemistry |
Ion Selective Electrodes
Goals in teaching electrochemistry  Maloy, J. T.
Important concepts regarding the subject of electrochemistry.
Maloy, J. T. J. Chem. Educ. 1985, 62, 1018.
Electrochemistry
An inexpensive, very high impedance digital voltmeter for selective electrodes  Caceci, Marco S.
Design and construction of an instrument that exceeds in accuracy and input impedance most expensive commercial pH meters and potentiometers.
Caceci, Marco S. J. Chem. Educ. 1984, 61, 935.
Laboratory Equipment / Apparatus |
Electrochemistry |
pH
Photoelectrochemical solar cells  McDevitt, John T.
An introduction to photoelectrochemical cells and topics pertaining to solar energy conversion.
McDevitt, John T. J. Chem. Educ. 1984, 61, 217.
Photochemistry |
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials |
Semiconductors |
Applications of Chemistry
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
Electrochemistry in the general chemistry curriculum  Chambers, James Q.
Students in introductory chemistry courses at large universities do not develop sufficient understanding of electrochemical phenomenon. From State-of-the-Art Symposium: Electrochemistry, ACS meeting, Kansas City, 1982.
Chambers, James Q. J. Chem. Educ. 1983, 60, 259.
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials
Theory and practical use of an hydrogen electrode in aqueous-organic media  Letellier, P.; Millot, F.; Baffier, N.; Combes, R.
These authors make a case for a greater use of hydrogen electrodes for acidity measurements in student laboratory courses.
Letellier, P.; Millot, F.; Baffier, N.; Combes, R. J. Chem. Educ. 1981, 58, 576.
Acids / Bases |
Electrochemistry |
Oxidation / Reduction
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
Lecture demonstration digital multimeter  Myers, Gardiner H.; Dugan, Robert J.
Plans for a Lecture Demonstration Digital Multimeter used to measure and display electric potential, current, temperature, pressure, and pH.
Myers, Gardiner H.; Dugan, Robert J. J. Chem. Educ. 1977, 54, 495.
Laboratory Equipment / Apparatus |
pH |
Electrochemistry
Corrosion  Slabaugh, W. H.
The topic of corrosion extends several basic concepts of electrochemistry with which students can relate. This article outlines: standard electrochemical potentials; corrosion of iron' corrosion of aluminum; application of electrochemical concepts; and ideas for some experiments.
Slabaugh, W. H. J. Chem. Educ. 1974, 51, 218.
Oxidation / Reduction |
Consumer Chemistry |
Electrochemistry
Definition of standard states  Lukens, David C.
A suggested sequence of definitions for the standard state.
Lukens, David C. J. Chem. Educ. 1972, 49, 654.
Thermodynamics |
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials |
Aqueous Solution Chemistry |
Solutions / Solvents
Electrochemical reactions in batteries. Emphasizing the MnO2 cathode of dry cells  Kozawa, Akiya; Powers, R. A.
The purpose of this article is to make a simplified, but current presentation of the electrochemical reactions in batteries, particularly those of the manganese dioxide cathode of dry cells.
Kozawa, Akiya; Powers, R. A. J. Chem. Educ. 1972, 49, 587.
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials |
Applications of Chemistry
The presentation of electrode potentials using an energy level diagram  Pinfold, T. A.
The tabular form in which standard electrode potentials are usually presented often leads to confusion that can be diminished by representing the electrochemical series on an energy diagram like that provided.
Pinfold, T. A. J. Chem. Educ. 1972, 49, 506.
Electrochemistry |
Oxidation / Reduction |
Electrolytic / Galvanic Cells / Potentials
The standard electrode potential of the silver-silver bromide electrode  Venable, R. L.; Roach, D. V.
Calculations of the standard electrode potential of the silver-silver bromide electrode indicate that many values listed in textbooks are incorrect.
Venable, R. L.; Roach, D. V. J. Chem. Educ. 1969, 46, 741.
Electrochemistry |
Aqueous Solution Chemistry |
Quantitative Analysis
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
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
Recent developments concerning the signs of electrode potentials  Licht, Truman S.; deBethune, Andre J.
It is the purpose of this paper to review recent developments concerning the signs of electrode potentials, particularly with respect to single electrode potential, half-reaction potential, and half-cell electromotive force.
Licht, Truman S.; deBethune, Andre J. J. Chem. Educ. 1957, 34, 433.
Electrochemistry |
Nomenclature / Units / Symbols |
Electrolytic / Galvanic Cells / Potentials
Some electrochemical experiments for freshmen  Gorman, Mel
The purpose of this discussion is to present an exercise for freshman laboratory work involving electrochemical unknowns and special electrode potential projects not usually studied in the first-year course.
Gorman, Mel J. Chem. Educ. 1957, 34, 409.
Electrochemistry |
Qualitative Analysis
Letters  Hackney, J. C.
The author elaborates on the source of a fallacy in the calculation of an overall redox potential by combination of two half-cell potentials.
Hackney, J. C. J. Chem. Educ. 1952, 29, 472.
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials |
Aqueous Solution Chemistry |
Oxidation / Reduction
Combining half-reactions and their standard electrode potentials  Miller, Sidney I.
To increase the value of standard electrode potential tables, a new method of combination of half-cell reactions is proposed.
Miller, Sidney I. J. Chem. Educ. 1952, 29, 140.
Electrochemistry |
Aqueous Solution Chemistry |
Electrolytic / Galvanic Cells / Potentials