Author Question: What reaction would be taking place if you were charging the battery? In a battery, if the ... (Read 139 times)

2125004343 · **on:** Jul 29, 2018

What reaction would be taking place if you were charging the battery?

In a battery, if the following oxidation-reduction reactions takes place normally:

Mn2O3 + ZnO 2 MnO2 + Zn

A) 2 MnO2 + Zn Mn2O3 + ZnO
B) ZnO Zn
C) Mn2O3 MnO2
D) all of the above
E) none of the above

Question 2

What is the purpose of the salt bridge in a voltaic cell?

A) to prevent any further migration of electrons through the wire
B) to allow for the build up of positively charged ions in one container and negatively charged ions in the other container
C) to allow the Fe2 and the Cu2+ to flow freely between the two containers
D) to allow for a balance of charge between the two chambers