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Anne Marie Helmenstine, Ph.D.

Anne Marie's Chemistry Blog

By Anne Marie Helmenstine, Ph.D., About.com Guide to Chemistry

Exothermic Detergent Reaction

Sunday July 10, 2005
Interesting chemical reactions don't necessarily require a chemistry lab and expensive glassware. For example, you can experience an exothermic chemical reaction using nothing more complicated than a handful of laundry detergent powder and a bit of water. An exothermic reaction is one which produces heat as chemical bonds are broken and release energy. Experience the phenomenon the next time you are washing clothes. Just let a little water dampen the detergent before you add it to the washer (and then rinse your hands really well). Fun!
Endothermic & Exothermic Reactions | Exothermic Rxn with Steel Wool

Comments

January 20, 2009 at 11:11 pm
(1) yo yo da says:

that is so pimpin

May 15, 2009 at 10:10 pm
(2) devon says:

heat is not released when bonds are broken. heat is released when bonds are formed. when bonds are broken a molecule absorbs energy. You should fix your intro,

October 17, 2009 at 3:38 am
(3) Gino says:

I’m a hipster

October 20, 2009 at 12:22 am
(4) bob says:

you’re arguing with a professor, heat is released when bonds are fissiured or broken apart. Take the depronation of Uranium, and apply it to the reactors we have that make electricity. Heat is absorbed in Endothermic Reactions.

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