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Journal Articles: 24 results
The Role of Water Chemistry in Marine Aquarium Design: A Model System for a General Chemistry Class  Jeffrey J. Keaffaber, Ramiro Palma, and Kathryn R. Williams
Water chemistry is central to aquarium design, and it provides many potential applications for discussion in undergraduate chemistry and engineering courses. This article uses a hypothetical tank to house ocean sunfish as a model to show students the calculations and other considerations that are needed when designing a marine aquarium.
Keaffaber, Jeffrey J.; Palma, Ramiro; Williams, Kathryn R. J. Chem. Educ. 2008, 85, 225.
Acids / Bases |
Aqueous Solution Chemistry |
Consumer Chemistry |
Oxidation / Reduction |
Stoichiometry |
Water / Water Chemistry
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
Old Nassau Demonstration with Wilkinson Modification  Lawrence E. Wilkinson
A modification of the Old Nassau Reaction demonstration is presented, wherein a 0.025 M silver nitrate solution is used in place of the mercury(II) chloride solution employed in the original demonstration.
Wilkinson, Lawrence E. J. Chem. Educ. 2004, 81, 1474.
Aqueous Solution Chemistry |
Kinetics |
Oxidation / Reduction |
Reactions
Determination of the Empirical Formula of a Copper Oxide Salt Using Two Different Methods  Michael J. Sanger and Kimberly Geer
Converting copper oxide into copper metal using two different methods: reduction of copper oxide to copper metal using methane gas, and reduction of copper oxide to copper metal using aluminum in aqueous solution; the results are used to determine the empirical formula of copper oxide.
Sanger, Michael J.; Geer, Kimberly. J. Chem. Educ. 2002, 79, 994.
Oxidation / Reduction |
Stoichiometry |
Oxidation / Reduction |
Aqueous Solution Chemistry |
Metals
A Discovery-Based Experiment Illustrating How Iron Metal Is Used to Remediate Contaminated Groundwater  Barbara A. Balko and Paul G. Tratnyek
Procedure in which students investigate the chemistry of iron-permeable reactive barriers and their application to the remediation of contaminated groundwater.
Balko, Barbara A.; Tratnyek, Paul G. J. Chem. Educ. 2001, 78, 1661.
Kinetics |
Oxidation / Reduction |
Water / Water Chemistry |
Metals |
Applications of Chemistry |
Aqueous Solution Chemistry
A Comparative Study of Microscale and Standard Burets  Mono M. Singh, Cynthia B. McGowan, Zvi Szafran, and R. M. Pike
This paper describes a comparative study of the performance of microscale titrations using 2-mL microscale burets with those using Beral pipets and normal 50- and 10-mL burets. The usefulness of a microburet in general and analytical chemistry is demonstrated by presenting results from acid-base, oxidation-reduction, precipitation, complexometric, and pH titrations.
Singh, Mono M.; McGowan, Cynthia B.; Szafran, Zvi; Pike, Ronald M. J. Chem. Educ. 2000, 77, 625.
Acids / Bases |
Aqueous Solution Chemistry |
Laboratory Equipment / Apparatus |
Microscale Lab |
Quantitative Analysis |
Oxidation / Reduction |
Titration / Volumetric Analysis |
pH |
Precipitation / Solubility
A Simple, Safe Way To Prepare Halogens and Study Their Visual Properties at a Technical Secondary School  Domingo A. Liprandi, Orlando R. Reinheimer, José F. Paredes, and Pablo C. L'Argentière
In this paper we propose an easy-to-build apparatus to obtain chlorine, bromine, and iodine. The experiment was developed considering not only theoretical and safety conditions but simplicity and clarity as well.
Liprandi, Domingo A.; Reinheimer, Orlando R.; Paredes, José F.; L'Argentière, Pablo C. J. Chem. Educ. 1999, 76, 532.
Oxidation / Reduction |
Aqueous Solution Chemistry
In praise of thiosulfate  Tykodi, R. J.
The reactions of thiosulfate make impressive lecture demonstrations and worthwhile laboratory experiments.
Tykodi, R. J. J. Chem. Educ. 1990, 67, 146.
Acids / Bases |
Precipitation / Solubility |
Oxidation / Reduction |
Aqueous Solution Chemistry |
Stoichiometry
Chemical Reactions, Reactions in Aqueous Solution, and Oxidation Reduction Reactions, Review II (Weyh, J. A.; Crook, J. R.; Hauge, L. N.)  Coleman, William F.
Programs intended to provide students with drill and practice in equation writing (including formula writing), equation balancing, and reaction predicting.
Coleman, William F. J. Chem. Educ. 1989, 66, A172.
Reactions |
Aqueous Solution Chemistry |
Oxidation / Reduction |
Enrichment / Review Materials
Chemical Reactions, Reactions in Aqueous Solution, and Oxidation Reduction Reactions, Review I (Weyh, J. A.; Crook, J. R.; Hauge, L. N.)  Balahura, Robert J.
Programs intended to provide students with drill and practice in equation writing (including formula writing), equation balancing, and reaction predicting.
Balahura, Robert J. J. Chem. Educ. 1989, 66, A172.
Reactions |
Aqueous Solution Chemistry |
Oxidation / Reduction |
Enrichment / Review Materials
Annotating reaction equations  Tykodi, R. J.
Annotating aqueous solution reactions fosters recognition of the fundamental reaction categories; ready recognition of a reaction type is the first step toward understanding the "whys and wherefores" inherent in the reaction.
Tykodi, R. J. J. Chem. Educ. 1987, 64, 243.
Aqueous Solution Chemistry |
Reactions |
Acids / Bases |
Gases |
Precipitation / Solubility |
Oxidation / Reduction
A unified approach to the study of chemical reactions in freshman chemistry  Cassen, T.; DuBois, Thomas D.
An approach that aims to provide students with the background that will enable them to make reasonable predictions as to the likely products of a chemical reaction.
Cassen, T.; DuBois, Thomas D. J. Chem. Educ. 1982, 59, 377.
Reactions |
Atomic Properties / Structure |
Oxidation State |
Oxidation / Reduction |
Aqueous Solution Chemistry |
Periodicity / Periodic Table
Soil analysis for high school chemistry students  Eisenmann, Mary A.
Students examine the solubility of nitrate ions, the insolubility of iron hydroxide and iron carbonate, and the reaction between acid and carbonates.
Eisenmann, Mary A. J. Chem. Educ. 1980, 57, 897.
Agricultural Chemistry |
Plant Chemistry |
Applications of Chemistry |
Geochemistry |
Acids / Bases |
pH |
Oxidation / Reduction |
Precipitation / Solubility |
Aqueous Solution Chemistry
The precipitation of ferrous hydroxide: A lecture demonstration  Lau, O. W.
This demonstration can illustrate such topics as the solubility of ionic compounds, electrode potentials of transition elements and their modification by formation of either an insoluble compound of a complex ion, and mixed valence compounds.
Lau, O. W. J. Chem. Educ. 1979, 56, 474.
Precipitation / Solubility |
Solutions / Solvents |
Aqueous Solution Chemistry |
Transition Elements |
Metals |
Oxidation / Reduction |
Oxidation State
Oxidation and chemical environment  Grotz, Leonard C.
Demonstrates that the ability to oxidize or reduce a species is dependent not only on the nature of the species but also on its chemical environment.
Grotz, Leonard C. J. Chem. Educ. 1977, 54, 618.
Oxidation / Reduction |
Aqueous Solution Chemistry
A color indicating time reaction  Chen, Philip S.
Combining solutions of sodium thoisulfate and ferric chloride produces a dramatic color change.
Chen, Philip S. J. Chem. Educ. 1970, 47, A784.
Reactions |
Oxidation / Reduction |
Aqueous Solution Chemistry
Thermochemistry of hypochlorite oxidations  Bigelow, M. Jerome
Students mix various proportions of aqueous sodium hypochlorite and sodium sulfite and plot the change in temperature to determine the stoichiometry of the reaction.
Bigelow, M. Jerome J. Chem. Educ. 1969, 46, 378.
Calorimetry / Thermochemistry |
Oxidation / Reduction |
Aqueous Solution Chemistry |
Stoichiometry |
Thermodynamics |
Mechanisms of Reactions
Effect of complexing agents on oxidation potentials  Helsen, Jef
A short note on a simple experiment to demonstrate the effect of complexing agents on the oxidation-reduction properties of redox couples such as Fe3+/Fe2+.
Helsen, Jef J. Chem. Educ. 1968, 45, 518.
Coordination Compounds |
Oxidation / Reduction |
Aqueous Solution Chemistry |
Electrochemistry
The chemistry of silver. A demonstration sequence  Schwenck, J. Rae
Presents a series of reactions in which silver is transformed from its elemental form into several different compounds and then returned to its elemental form.
Schwenck, J. Rae J. Chem. Educ. 1959, 36, 45.
Aqueous Solution Chemistry |
Oxidation / Reduction
The stability of solutions for the iodine clock reaction  Kauffman, George B.; Hall, Charles R.
The results of attempts to stabilize solutions needed for the iodine clock reaction to allow long-term storage.
Kauffman, George B.; Hall, Charles R. J. Chem. Educ. 1958, 35, 577.
Reactions |
Kinetics |
Oxidation / Reduction |
Aqueous Solution Chemistry
A modified silver tree  Shaw, William H. R.; Nowlin, B. T.
This silver tree begins with an evergreen-shaped construction made from sheet copper.
Shaw, William H. R.; Nowlin, B. T. J. Chem. Educ. 1953, 30, 581.
Aqueous Solution Chemistry |
Oxidation / Reduction
Suggestions for demonstrations  Lapp, Walter S.
The author briefly describes demonstrations involving the cathodic protection of iron from corrosion, the use of lithium in preparing hydrogen, an easily constructed conductivity kit, and a support for rubber stoppers.
Lapp, Walter S. J. Chem. Educ. 1952, 29, 611.
Oxidation / Reduction |
Conductivity |
Aqueous Solution Chemistry
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
The effect of nitrous acid on the oxidizing power of nitric acid  Brasted, Robert C.
this demonstration illustrates that the oxidizing action of nitric acid may be considerably enhanced by small quantities of nitrous acid which are usually present.
Brasted, Robert C. J. Chem. Educ. 1951, 28, 442.
Acids / Bases |
Oxidation / Reduction |
Aqueous Solution Chemistry