Electrodes

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Lecture 13

• Electrodes

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Reaction quotient
?G - nFE
Eo
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Pt
Bridge
Fe3 Fe2
Fe3 1e- ?Fe2
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Ag
Bridge
Ag
Ag 1e- ? Ag
First type
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Ag
Bridge
Cl-
AgCl 1e- ? Ag Cl-
AgCl
Second type
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KNO3 solution
KCl solution
Ag/AgCl electrode
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Econst
E0.80.06?logAg
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Calomel electrode
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Fluoride-selective electrode
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