Page 14 - Pharmaceutical Analytical Chemistry II - Pharm D- 02-06-07102

The measured E of this cell, Ecell = +0.41 V----- positive
This indicates that the cell in such schematic presentation works
as GALVANIC Cell.

Consider the following cell:

Ag  Ag+ (0.02 M)  Cu2+ (0.02 M)  Cu

According to the schematic presentation:
Ecell = ECu ─ EAg
The measured E of this cell, Ecell = - 0.41 V ----- negative
This indicates that the cell in such schematic presentation works as
ELECTROLYTIC Cell

Applications to Standard Electrode
potential, E0

1. Calculation of Potentials of Electrodes at NON-Standard
Conditions

2. Calculation of Potentials of Electrochemical Cells,
• At Standard Conditions
• At Non-Standard Conditions

1-Calculation of Potentials of Electrodes at Non-Standard
Conditions

Nernst Equation: How does concentration affect

Electrode potential?

Consider the reversible half-reaction cC + dD + ......
aA + bB + …. + ne–

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