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Exploding Soap Bubbles: Hydrogen + Oxygen A series of three videos shows that as the ratio of oxygen to hydrogen in soap bubbles increases, the explosions that occur when the bubbles are ignited get louder. (The fact that with an excess of oxygen the explosions would become softer again is not shown.) Each video is repeated with no voice-over so that only the sounds of the explosions are heard. Five still images are provided to show the stoichiometry on the molecular scale. The videos are intended to be shown in order beginning with Hydrogen Alone and ending with hydrogen plus more oxygen.
Cocrystal Controlled Solid-State SynthesisMiranda L. Cheney, Michael J. Zaworotko, Steve Beaton, and Robert D. Singer Describes experiments that can easily be adapted to a typical undergraduate organic chemistry course and are inexpensive, relatively safe, require little or no solvent, have high atom economy, make use of non-toxic or low toxicity compounds, and generate negligible quantities of waste. Cheney, Miranda L.; Zaworotko, Michael J.; Beaton, Steve; Singer, Robert D. J. Chem. Educ.2008, 85, 1649.
Amines / Ammonium Compounds |
Calorimetry / Thermochemistry |
Green Chemistry |
IR Spectroscopy |
Microscale Lab |
Solid State Chemistry |
Synthesis
Synthesis of Quaternary Ammonium Salts of Tricyclic Cationic Drugs: A One-Pot Synthesis for the Bioorganic Chemistry LaboratoryLinda S. Brunauer, Abid C. Mogannam, Won B. Hwee, and James Y. Chen Describes a one-pot conversion of tricyclic cationic drugs to their quaternary ammonium forms for a widely used bioactive drug, chlorpromazine, a phenothiazine-based antipsychotic. The conversion of parent drug to the methylated form was evaluated by qualitatively measuring its ability to induce alterations in the shape of mammalian erythrocytes. Brunauer, Linda S.; Mogannam, Abid C.; Hwee, Won B.; Chen, James Y. J. Chem. Educ.2007, 84, 1992.
Amines / Ammonium Compounds |
Bioorganic Chemistry |
Drugs / Pharmaceuticals |
IR Spectroscopy |
Microscale Lab |
NMR Spectroscopy |
Synthesis |
Thin Layer Chromatography
Synthesis and NMR Spectral Analysis of Amine Heterocycles: The Effect of Asymmetry on the 1H and 13C NMR Spectra of N,O-AcetalsShahrokh Saba, James A. Ciaccio, Jennifer Espinal, and Courtney E. Aman Describe an undergraduate organic laboratory experiment in which students prepare two N,O-acetals that differ only in a single ring substituent that introduces asymmetry, giving each compound a distinct 1H and 13C NMR spectral pattern that must be explained by students. Saba, Shahrokh; Ciaccio, James A.; Espinal, Jennifer; Aman, Courtney E. J. Chem. Educ.2007, 84, 1011.
Undergraduate ACS programs and resources for college students with a strong interest in chemistry education and careers.
Professional Development |
Student / Career Counseling
Student Affiliates The Student Affiliates of the American Chemical Society (SAACS) is the official ACS organization for undergraduate chemical science majors. Members participate in a wide range of programs and activities that enhance their college experience and prepare them for careers in chemistry.
Professional Development
About The Student Affiliates of the American Chemical Society (SAACS) is the official ACS organization for undergraduate chemical science majors. Members participate in a wide range of programs and activities that enhance their college experience and prepare them for careers in chemistry.
Chemistry in Context, 6th Ed.Lucy Pryde Eubanks, Catherine H. Middlecamp, Carl E. Heltzel, Steven W. Keller Finds ChemEd DL resources related to the sections of the General Chemistry textbook, Chemistry in Context, 6th Ed., by Lucy Pryde Eubanks, Catherine H. Middlecamp, Carl E. Heltzel, Steven W. Keller published by McGraw-Hill, 2009.
General Chemistry, 9th EditionDarrell D. Ebbing, Steven D. Gammon Finds ChemEd DL resources related to the sections of the General Chemistry textbook, General Chemistry, 9th Edition, by Darrell D. Ebbing, Steven D. Gammon published by Houghton Mifflin Company, 2007.
Issues and Physical ScienceSEPUP Finds ChemEd DL resources related to the sections of the Physical Science textbook, Issues and Physical Science, by SEPUP published by LAB-AIDS, Inc., 2007.