Wednesday
April 16, 2014

Homework Help: CHEMISTRY

Posted by Alicia on Friday, May 10, 2013 at 6:13pm.

The two half-reactions for the LeClanche dry cell battery are shown below. Describe the direction of spontaneous electron flow in this electrochemical cell.

Zn(s) ---> Zn2+(aq) + 2e-
2NH4+(aq) + 2e- ---> 2NH3(g) + H2(g)

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