February 25, 2017

Homework Help: Chemistry

Posted by Trixie on Tuesday, April 6, 2010 at 4:30pm.

Which one of the following combinations of reagents will result in a spontaneous reaction?
A) Al(s) + CuCl2(aq)
B) Al(s) + CaCl2(aq)
C) Zn(s) + CaCl2(aq)
D) Cu(s) + ZnCl2(aq)

I know the answer is A, but what I don't know is why, or how to figure this out. Thanks!

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