The Self-Carving Pumpkin: It's Not Just for Halloween!
Tom Kuntzleman | Tue, 05/02/2023 - 18:48
Learn the chemistry behind the reaction between calcium carbide and water...melon...?!
combustion
Effect of Temperature on the Whoosh Bottle
Tom Kuntzleman | Tue, 07/05/2022 - 13:45
Why does the "Whoosh Bottle" experiment behave differently at different temperatures?
Are Diamonds Forever? A Chemical Investigation
Tom Kuntzleman | Fri, 11/02/2018 - 14:04
You are likely aware that diamonds are converted - albeit slowly - to graphite under normal conditions. Thus, diamonds don't last forever, in contrast to the popular advertising slogan. However, did you know that you can use chemistry to prove that diamonds are not forever? It's simpler than you think...
Storm troopers ain't got nothing on this chemist
Tom Kuntzleman | Wed, 08/05/2015 - 08:24
Build a propane gun for your students! Construction is inexpensive, easy, and the effects are spectacular.
Whoosh Bottle, take 1
Tom Kuntzleman | Thu, 02/13/2014 - 09:17
My students and I intend to use a high-speed camera to film a variety of chemistry experiments in slow motion. The first reaction we have decided to film is the “Whoosh Bottle”. You can read more about this particular experiment in an article in Journal of Chemical Education here. NOTE: O