Thursday, November 3, 2011

The Ever Exciting World of Science Fair

I decided that I was going to do something that I find interest in and who doesn't think it awesome to perform a magic trick for your whole class.  My science fair is based on the hypothesis, what causes a chemical oscillation to occur quicker with longer periods of color and brighter bursts of color, too.  After looking around Google trying to find information on different kinds of oscillating chemical reactions.  One kind of oscillating chemical reactions was discovered by B.P. Belousov and A.M. Zhabotinsky from the USSR in 1958.  These two Soviets
saw that if you added  hydrogen peroxide, an iodate, divalent manganese (Mn2+) as a catalyst, a strong chemically non reactive acid like sulfuric acid or perchloric acid. Also added is an organic compound with an active hydrogen atom attached to carbon which will slowly reduces free iodine (I2) to iodide (I).  These chemical reaction between these chemicals is an oscillation between colorless, to amber, then to a dark blue.  This will continue for over ten minutes oscillating many times.  Interesting stuff! It will be exciting to see how this experiment goes.  Stay posted on what is going on!
http://en.wikipedia.org/wiki/Belousov%E2%80%93Zhabotinsky_reaction




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