November 27, 2015

Homework Help: Chemistry

Posted by Julie on Friday, March 16, 2012 at 9:01pm.

Hi Dr. Bob,

I am quite stumped on how to figure out when chemical equations have a REACTION or NO REACTION. I have read the material in my textbook and even took out a chemistry books for the "Utterly Confused" to try to figure this out.

Example: Zn(s) + H3PO4(aq)--> Zn3(PO4)2(s) + H2. This has a reaction, but exactly how do I know that it has a reaction. Are there any tips that you can provide to easily be able to distinguish?

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