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Electrochemical Cells Techniques involved in measuring the voltage of an electrochemical cell and some common errors in constructing electrochemical cells are demonstrated.
Electrolytic / Galvanic Cells / Potentials |
Laboratory Equipment / Apparatus
Oscillating Reaction: Briggs-Rauscher When a solution of malonic acid, starch, and manganese(II) ion is added to a solution of hydrogen peroxide, iodate ion, and sulfuric acid, gas bubbles form and the color of the resulting mixture oscillates periodically from colorless to amber to blue.
Consider the electrochemical cell diagram shown below. As you observe the reaction in the cell, you notice that the tin electrode seems to be disappearing while there are deposits forming on the silver electrode. Which of the following is a correct statement?
Molecular Models of Peroxides and AlbendazolesWilliam F. Coleman This month's Featured Molecules are albendazole and benzoyl peroxide. Coleman, William F. J. Chem. Educ.2008, 85, 1710.
Consumer Chemistry |
Molecular Properties / Structure |
Molecular Modeling
Investigating the Stability of Benzoyl Peroxide in Over-the-Counter Acne MedicationsMarina Canepa Kittredge, Kevin W. Kittredge, Melissa S. Sokol, Arlyne M. Sarquis, and Laura M. Sennet Students use peroxide strips to investigate the stability of the benzoyl peroxide found in an over-the-counter acne medication when added to various solutions of water, ethanol, polyethylene glycol, and isopropyl myristate. Canepa Kittredge, Marina; Kittredge, Kevin W.; Sokol, Melissa S.; Sarquis, Arlyne M.; Sennet, Laura M. J. Chem. Educ.2008, 85, 1655.
Consumer Chemistry |
Drugs / Pharmaceuticals |
Nonmajor Courses |
Solutions / Solvents
ResorcinolJay A. Young Safe handling of resorcinol in the laboratory is discussed. Young, Jay A. J. Chem. Educ.2008, 85, 1618.