OxidationRunning
Electron transfer cell. Iron atoms oxidised at 6 atoms. Electrons lost 18 e⁻, Electrons required 6 e⁻. Currently electrons lost is over by 12 e⁻.TUNING
t = 0.0s

Electrons lost

18e⁻

Electrons required

6e⁻

Electrons lost is over by 12 e⁻

6 atoms

Electron transfer cell. Iron atoms oxidised at 6 atoms. Electrons lost 18 e⁻, Electrons required 6 e⁻. Currently electrons lost is over by 12 e⁻.

What has to balanceOx:e− lost\mathrm{Ox}: e^- \text{ lost}

What is happening

You take control of a hull inspection finding rust below the waterline.

The corrosion model will not close. It needs 6 electrons released per formula unit, and every iron atom that oxidises gives up 3 of them.