Topic 14 Redox II

Question 1

if equilibrium lies to the left, the electrode will have a ____ potential.
If equilibrium lies to the right, the electrode will have a ____ potential.

Answer 1

Negative
Positive

Question 2

What are the conditions under which the potential is 0.00V?

Answer 2

cell at:
- 298K
- 100kPa / 1atm
- 1.0 moldm-3 of ions involved in half eq

Question 3

how to write conventional representations of cells?
AKA cell diagrams

Answer 3

e.g.
Zn(s) | Zn2+(aq) || Cu2+(aq)|Cu(s)
put highest oxidation state (of metal) closest to ||
only | when change of states
include H+ or H2O if involved in half eq (using [X +H+] but exclude e-s