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Halting the Briggs-Rauscher Oscillating Reaction The Briggs-Rauscher reaction is demonstrated in three different ways. Catalase from a liver extract decomposes the hydrogen peroxide in an Briggs-Rauscher reaction, stopping the oscillations.
Catalytic converters are used in automobiles to convert pollutants in engine emissions to benign products. Catalytic converters in today's automobiles are made of a porous ceramic brick that has been coated with catalysts, additives, stabilizers, and support materials. Corning has developed bricks that have very thin-walled channels with 600 channels per square inch. Which of the following research goals did they target?
Kinetics |
Catalysis
Journal Articles: First 3 results.
Pedagogies:
Kinetic Analysis of Amylase Using Quantitative Benedict's and Iodine Starch ReagentsBeverly Cochran, Deborah Lunday, and Frank Miskevich This laboratory emphasizes that enzymes mediate the conversion of a substrate into a product and that either the concentration of product or reactant may be used to follow the course of a reaction. It does so by using an inexpensive scanner and open-source image analysis software to quantify amylase activity through the breakdown of starch and the appearance of glucose. Cochran, Beverly; Lunday, Deborah; Miskevich, Frank. J. Chem. Educ.2008, 85, 401.
Biosynthesis |
Carbohydrates |
Catalysis |
Enzymes |
Food Science |
Nutrition |
Quantitative Analysis |
UV-Vis Spectroscopy
Hydration of Acetylene: A 125th AnniversaryDmitry A. Ponomarev and Sergey M. Shevchenko The discovery the hydration of alkynes catalyzed by mercury ions by Mikhail Kucherov made possible industrial production of acetaldehyde from acetylene and had a profound effect on the development of industrial chemistry in the 1920th centuries. Ponomarev, Dmitry A.; Shevchenko, Sergey M. J. Chem. Educ.2007, 84, 1725.
Addition Reactions |
Aldehydes / Ketones |
Alkynes |
Catalysis |
Industrial Chemistry |
Reactions
Applications of Reaction RateKevin Cunningham This article presents an assignment in which students are to research and report on a chemical reaction whose increased or decreased rate is of practical importance. The assignment is designed to develop and assess a number of valuable skills and understandings, including the ability to write effectively. Cunningham, Kevin. J. Chem. Educ.2007, 84, 430.
