Karl the Gummy Bear vs. The Potassium Chlorate

Today we’re going to learn about the oxidization of sugar.  Basically we’re going to blow up a Gummy Bear.

WARNING: PARENTAL SUPERVISION NEEDED    

ALWAYS WEAR GLOVES AND SAFETY GOGGLES

EXPERIMENT IN SAFELY VENTILATED AREAS 

The-Magic-of-Science_43066-l

-Potassium chlorate (5 to 7 grams)

-Pyrex test tube

-Tongs

-1 Gummy Bear

-Safety Goggles


-You need to add 5 to 7 grams of potassium chlorate to a test tube.

-Melt the potassium chlorate powder with a blow torch/bunsen burnerpotassium-chlorate-gummy-bear

-After that add the gummy bear to the boiling tube.

When the gummy bear is added to the potassium chlorate, a chemical reaction happens.  The thermal decomposition of the potassium chlorate emits oxygen and potassium chloride.  This is enough to blow up the Gummy Bear.  The heat produced continues to decompose the potassium chlorate which supports the combustion reaction.

Source:  lecturedemos.chem.umass.edu/chemReactions5 5

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