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Zuzik O'Fon
Lives in Katowice, Polska
596 followers|18,506 views
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Zuzik O'Fon

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Elephant Toothpaste......

This one's a classic. Nicknamed "elephant toothpaste" for the cylinder of foam it produces, this reaction shows the rapid decomposition of hydrogen peroxide. The reaction is produced by mixing concentrated hydrogen peroxide (mixed with a little bit of dish soap) and potassium iodide. When the potassium iodide is added to the hydrogen peroxide solution, it acts as a catalyst, rapidly breaking down the hydrogen peroxide into oxygen and water. The oxygen escapes from the beaker, quickly pushing out large amounts of foam from the dish soap. It looks like elephant-sized toothpaste.
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The so beautiful Fermat's Little Theorem very nicely visualised here !
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Have him in circles
596 people
Alessandro Duarte's profile photo
Brasil's profile photo
johny water's profile photo
sandra mayworm's profile photo
Gerlo Wessels's profile photo
Ricardo Botelho's profile photo
Fábio Souza Santana's profile photo
jose oliveira's profile photo
Andreia Ferreira's profile photo
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Katowice, Polska
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