Asked by Alicia
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)
Zn(s) ---> Zn2+(aq) + 2e-
2NH4+(aq) + 2e- ---> 2NH3(g) + H2(g)
Answers
Answered by
DrBob222
Electrons flow from the anode (Zn electrode) through a wire and the electrical circuit to the cathode (Carbon electrode) which is connectd internally to the NH4^+ paste.
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