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Tom Kuntzleman's blog

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Ice clouds

Mon, 12/16/2013 - 08:33 -- Tom Kuntzleman

I get excited when I see the outside temperature drop below 0°F (-18°C). This is not because I enjoy cold weather. It is because when the outside temperature gets this cold, I can conduct a particular experiment that I think is quite beautiful. Check out the video.

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Electrolytic Dissolution of Copper Metal

Thu, 08/15/2013 - 20:43 -- Tom Kuntzleman

Looking for an easy, hands-on experiment to use in your classroom at the beginning of the school year? In the June, 2013 issue of the Journal of Chemical Education, Isao Ikemoto and Kouichi Saitou describe a simple experiment to demonstrate the electrolytic dissolution of copper ions from a copper electrode. This experiment can be conducted using only items that are easily obtained around the home or in grocery stores.

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Hydrophobic vs. Hydrophilic, Polar vs. Non-polar

Mon, 05/13/2013 - 20:47 -- Tom Kuntzleman

Wow! A very neat experiment, called “Hydroglyphics”, published by Kim, Alvarenga, Aizenberg, and Sleeper in the Journal of Chemical Education allows you to transform a common plastic Petri dish into a unique teaching tool to demonstrate the difference between hydrophobic and hydrophilic surfaces. Check it out in the video.

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