Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Thomas S. Kuntzleman"'
Publikováno v:
Green Chemistry Letters and Reviews, Vol 12, Iss 2, Pp 102-106 (2019)
Separation of glow stick dyes adhered to a cotton swab using liquid CO2 provides an engaging demonstration of several chemical concepts including polarity, kinetics, chemiluminescence, and the importance of CO2 a green solvent. The simple protocol al
Externí odkaz:
https://doaj.org/article/d3a4019a4b3b46ad90dd65cb43038a09
Publikováno v:
Molecules, Vol 26, Iss 6, p 1691 (2021)
The Diet Coke and Mentos experiment involves dropping Mentos candies into carbonated beverages to produce a fountain. This simple experiment has enjoyed popularity with science teachers and the general public. Studies of the physicochemical processes
Externí odkaz:
https://doaj.org/article/13bad28d3bab46899922d1a036b0889f
Publikováno v:
Journal of Chemical Education. 100:1699-1703
Publikováno v:
Journal of Chemical Education. 99:3540-3545
Gold at the End of the Rainbow: A Simple and Colorful Modification of the Golden Penny Demonstration
Autor:
Thomas S. Kuntzleman, Levi T. Hogan
Publikováno v:
Journal of Chemical Education. 99:3083-3086
Autor:
Thomas S. Kuntzleman, Dean J. Campbell
Publikováno v:
Journal of Chemical Education. 99:2364-2371
Autor:
Amanda M. Imhoff, Thomas S. Kuntzleman
Publikováno v:
Journal of Chemical Education. 98:3915-3920
Publikováno v:
Journal of Chemical Education. 98:2592-2595
A quantitative titration of the amount of magnesium hydroxide in milk of magnesia using only items purchased in grocery and retail stores is reported. Either vinegar or a solution of food grade citric acid serves as the titrant, while food dyes adver
Autor:
Thomas S. Kuntzleman, Andrea Sturgis
Publikováno v:
Journal of Chemical Education. 97:4033-4038
Carbonated beverages have long provided chemical educators and other teachers of science with an easy-to-obtain system that connects to several physicochemical concepts. For example, many educators have devised experiments to determine the pressure o
Publikováno v:
Journal of Chemical Education. 97:2244-2248
Copper metal is slowly oxidized when it is exposed to the atmosphere for long periods of time, forming a blue-green coating called a patina. For example, the green color of the Statue of Liberty is a result of patina formation. A wide variety of Cu2+