Hon Chemistry 3-19-14 Describing Chemical Reactions

HON CHEMISTRY: So tell me again – how do you know if a chemical reaction has occurred? Here’s the lecture from the evidences of a chemical change and the intro to balancing chemical equations. Great to be back to chemistry!
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HON CHEMISTRY 3-19-14 Chemical Equations from Tammy Skinner on Vimeo.

flickr photo by vmaddalena

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