Paano Kalkulahin si Cell Potential
Ano ang Cell Potential?
Cell potential (E°cell) measures the voltage of an electrochemical cell — the driving force for electron transfer. E°cell = E°cathode − E°anode. A positive cell potential indicates a spontaneous reaction.
Step-by-Step na Gabay
- 1Identify the half-reactions (oxidation at anode, reduction at cathode)
- 2Find standard reduction potentials from table
- 3E°cell = E°cathode (reduction) − E°anode (reduction)
- 4ΔG° = −nFE° (n = electrons, F = 96,485 C/mol)
Mga Nalutas na Halimbawa
Input
Zn | Zn²⁺ || Cu²⁺ | Cu cell · E°(Cu)=+0.34V · E°(Zn)=−0.76V
Resulta
E°cell = 0.34−(−0.76) = 1.10V
Classic Daniell cell
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