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Reactions: Acetylene Preparation of acetylene and the reaction of chlorine with acetylene are demonstrated. An antique carbide lamp is also demonstrated.
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
New Analytical Method for the Determination of Detergent Concentration in Water by Fabric DyeingSet Seng, Masakazu Kita, and Reiko Sugihara This article describes a high school classroom activity in which an acrylic fabric is used as the extraction medium in the analysis of detergent concentration rather than more harmful organic solvents. An handmade reflection photometer, assembled with inexpensive materials such as LED, PVC tube, and CdS sensor, is used to determine the detergent concentration. Seng, Set; Kita, Masakazu; Sugihara, Reiko. J. Chem. Educ.2007, 84, 1803.
Aqueous Solution Chemistry |
Consumer Chemistry |
Dyes / Pigments |
Laboratory Equipment / Apparatus |
Quantitative Analysis |
Solutions / Solvents |
Water / Water Chemistry
Popcorn—What's in the Bag?Marissa B. Sherman and Thomas A. Evans Three independent activities explore microwave popcorn, the nature of the packaging, and the popcorn produced. Sherman, Marissa B.; Evans, Thomas A. J. Chem. Educ.2006, 83, 416A.
Ice and WaterEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Water / Water Chemistry
Drinking Bird (GCMP)David M. Whisnant Drinking Bird: this is a resource in the collection "General Chemistry Multimedia Problems". The drinking bird's felt-covered head dips into the beaker of water as it bobs up and down. The tube goes from the bottom of the body to its head. 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.
Water / Water Chemistry
Electrolisis 1 (GCMP)David M. Whisnant Electrolisis of Water #1: this is a resource in the collection "General Chemistry Multimedia Problems". In this problem we will contrast the electrolysis of water with boiling. 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.
