|
The diagram and balanced ionic equation below
represent an operating voltaic cell.
74
State the form of energy that is converted
to electrical energy during the operation of
this voltaic cell.
| Answer--> Chemical or
Potential energy |
75 Identify one
metal from Table J that is more easily
oxidized than copper and less easily
oxidized than iron.
| Answer--> any of these Co Ni
Sn Pb (not H2 it
is not a metal) |
76 State the purpose of the salt bridge
in completing the circuit in this cell.
| Answer--> for Ion Flow,
charge movement.
To keep the system electrically
neutral. |
77 Write a balanced equation for the
half-reaction that occurs in the copper
half-cell.
| Answer--> 2e-
+ Cu2+ --> Cu
(So many students put Cu+,
why? it says 2+) |
Questions
78-81
|