Lab 7- Voltaic Cells Flashcards
(6 cards)
1
Q
Define Redox Reactions
A
Reactions that are characterized by oxidation and reduction that involve the transfer of electrons.
2
Q
What happens to a species that is oxidized/reduced?
A
The oxidized species is the one that loses electrons and the one that gains electrons is the one that is reduced.
3
Q
Where does electron flow occur in the galvanic cell?
A
It is always from the anode to the cathode (where reduction happens to where oxidation happens).
4
Q
From the salt bridge, where do the anions and the cations move?
A
Cations go to the cathode and the anions go to the anode.
5
Q
What is the equation for determining the standard cell potential?
A
E cathode- E anode.
6
Q
What is the equation for relating the E cell to the standard E cell?
A
E Cell= E Cell* - 0.0592V/n . Log (Q)
