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High School Students Create A Spooky Effect

Check out how students were able to create this spooky effect.  As Ms. Jones explains it:
When the stopper is removed from the flask, the sodium iodide drops into the hydrogen peroxide and catalyzes the decomposition of the peroxide into oxygen gas and water vapor.  (2 H2 O2(aq) → 2 H2O(g) + O2(g) + heat).
Being a catalyst, the iodine is not changed in the decomposition. The reaction is
exothermic and produces significant heat.  Voila!  Click on article to see larger picture.

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Homer Central School District
Ms. Nancy Ruscio, Superintendent

80 South West Road
Homer, NY 13077

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