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Pulsating Electrochemical Reaction: Mercury Beating Heart A drop of mercury in a watch glass is covered with a solution of potassium chromate in concentrated sulfuric acid. An iron nail is positioned so that it nearly touches the mercury. Eventually, the mercury drop starts to beat rhythmically, like a beating heart.
Electrolytic / Galvanic Cells / Potentials |
Oxidation / Reduction |
Reactions |
Surface Science
Journal Articles: First 3 results.
Pedagogies:
Stilling Waves with Ordered Molecular MonolayersEd Vitz The amazing ability of a film of oil one molecule thick to dissipate the relatively large energy of water waves can be readily demonstrated, but an explanation of the effect has been elusive until recently. Vitz, Ed. J. Chem. Educ.2008, 85, 1064.
Lipids |
Molecular Properties / Structure |
Noncovalent Interactions |
Surface Science |
Water / Water Chemistry |
Fatty Acids
A Lab Experience To Illustrate the Physicochemical Principles of DetergencyJ. A. Poce-Fatou, M. Bethencourt-Núñez, C. Moreno, F. J. Moreno-Dorado, and J. J. Pinto-Ganfornina This article presents a lab to study the role of a surfactant and builder in laundry detergent efficiency as determined through measurements of the diffuse reflectances of polyester samples impregnated with linseed oil. Poce-Fatou, J. A.; Bethencourt-Núñez, M.; Moreno, C.; Moreno-Dorado, F. J.; Pinto-Ganfornina, J. J. J. Chem. Educ.2008, 85, 266.
Aqueous Solution Chemistry |
Consumer Chemistry |
Laboratory Equipment / Apparatus |
Micelles |
Surface Science |
Thermodynamics
Colorful Lather PrintingSusan A. S. Hershberger, Matt Nance, Arlyne M. Sarquis, and Lynn M. Hogue Students explore the chemistry of polar and nonpolar substances and surfactants while marbling paper with shaving cream and food coloring. Hershberger, Susan A. S.; Nance, Matt; Sarquis, Arlyne M.; Hogue, Lynn M. J. Chem. Educ.2007, 84, 608A.
Flying Over AtomsJohn R. Markham Flying Over Atoms provides tools for teaching about atoms and solid surfaces in an introductory chemistry course. Flying Over Atoms introduces and stimulates interest in atomic surfaces and current methods for imaging at the atomic scale. Flying over Atoms uses Scanning Tunneling Microscope (STM) data and the software program Vistapro, published by Rom Tech, Inc. (not provided) to allow students to create QuickTime movies of atomic landscapes.
Solid State Chemistry |
Spectroscopy |
Surface Science
General Chemistry Multimedia ProblemsDavid M. Whisnant General Chemistry Multimedia Problems ask students questions about experiments they see presented using videos and images. The questions asked apply concepts from different parts of an introductory course, encouraging students to decompartmentalize the material.
