Wednesday
November 26, 2014

Homework Help: chemistry

Posted by Lenny on Monday, April 20, 2009 at 12:44pm.

In my chemistry lab we decomposed lead (iv) oxide by heating it and then placing a wooden splint(test the evloved gas) into the mouth of the test tube. The color changed into red lead ( Pb304).Then we reheated the sample again and it turned to PbO. I do not understand why the compound accumulated more atoms and then lost atoms. PbO2---->Pb304----->PbO

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