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Entropy These processes are shown in reverse. The situations shown are so highly improbable that we would not expect to observe them in nature.
Thermodynamics
Endothermic Reaction Solid barium hydroxide octahydrate (Ba(OH)2*8H2O) and ammonium thiocyanate (NH4SCN) are mixed in a beaker, which is then placed on a few drops of water on a small board. The reaction that occurs is highly endothermic.
Thermodynamics : CompareEntropyQual (16 Variations) Indicate which substance in each of the following pairs of substances you expect to have higher entropy. Assume that you have a mole of each substance and all substances are at the same temperature.
Soapmaking This activity provides a simple experiment that introduces students to an important reaction of organic chemistry. It also helps students connect chemistry to something that they see and use every day and provides an opportunity for cross-curricular work. J. Chem. Educ.1999, 76, 192A.
Acids / Bases |
Industrial Chemistry |
Consumer Chemistry
Creating a Window Cleaner CompanySarquis, A. M.; Peters, Bruce L., Jr.; Coffey, Linda; Hershberger, James W.; Bucheit, Rex Activity in which fourth- through eighth-grade students are challenged to create, market, advertise, and analyze the cost of their own window cleaner. Sarquis, A. M.; Peters, Bruce L., Jr.; Coffey, Linda; Hershberger, James W.; Bucheit, Rex J. Chem. Educ.1995, 72, 344.
Consumer Chemistry |
Industrial Chemistry
Chemistry tours for high school students: Connecting chemistry and businessBall, Jenelle Efforts to show high school students the relevance of chemistry in their lives are more powerful when students go on field trips to visit businesses that are related to chemistry. The author describes such a trip, where students visited the Dept. of Justice Criminalistics Lab at a local university. Ball, Jenelle J. Chem. Educ.1993, 70, 656.
Nitrogen and Its Compounds Volume 04, issue 04 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.
Industrial Chemistry
Nitrogen and Its Compounds Volume 05, issue 08 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.
