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Index Results
(9 Results)

AP2084 - $26.40
Learn how a catalyst works by observing the color changes of pink cobalt ions. You'll see the catalyst as it gets swept up in the oxidation of tartrate by hydrogen peroxide, changes into a green intermediate, and then reappears again at the end. A...
AP6280 - $38.90
The visible spectrum has been displayed many ways, but never quite as spectacularly as this! Take seven different dry chemical mixtures and add each to a separate beaker. Pour a clear liquid into each beaker. In less than a minute, the large pH change...
AP8657 - $27.45
In a flash, like magic, a colorless solution turns a dramatic dark blue color. You and your students will be amazed by this popular starch-iodine clock reaction. Teacher Demonstration Notes included. Enough materials are provided to perform the demonstration...
AP4866 - $65.01
Teach kinetics in a fun and sudsy way! This three-part demonstration provides an interesting twist on the traditional “Old Foamey” demonstration. Show your students the effect of concentration on reaction rate, observe a reaction intermediate and test...
AP6603 - $118.85
It's spring break. Time to cast off the winter doldrums and embrace the bright new season! Celebrate the arrival of spring with six fun demonstrations: • An oscillating chemical reaction alternates between frigid blue and sunny yellow, just like the...
AP2086 - $35.30
A clock reaction is conducted using cinnamaldehyde, the organic molecule extracted from cinnamon sticks. Color changes are fascinating. Rates of reaction can also be discussed. Entire demonstration smells of cinnamon. Teacher Demonstration Notes included....
AP4601 - $46.40
Mix two colorless solutions and watch as, after a few seconds, they suddenly change from colorless to dark blue. What an attention-getter! This kit allows you to quantitatively demonstrate the popular iodine-starch clock reaction. In each demonstration,...
AP6615 - $28.55
First-order kinetics come alive as this hydrolysis reaction undergoes repeated color changes of yellow and blue. Bromthymol blue indicator, tert-butyl chloride, water, and a known amount of sodium hydroxide are added together forming a blue solution....
AP7435 - $42.55
H. J. H. Fenton, an English chemist, discovered in 1894 that some metal ions, particularly the iron(II) ion, catalyze the decomposition of hydrogen peroxide to generate highly reactive intermediates. Fenton’s reaction has been “rediscovered” and is...
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