Standard Electrode Potentials (Grade 12 NSC Matric Physical Sciences): Flashcards
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Standard electrode potentials
Standard electrode potentials
Measure ease of electron gain/loss in reactions
Standard conditions (3 values)
Standard conditions (3 values)
101.3 kPa, 298 K, 1 mol.dm
SHE potential value
SHE potential value
0.00 V
Large negative values mean
Large negative values mean
Good reducing agent, easily oxidised
Large positive values mean
Large positive values mean
Good oxidising agent, easily reduced
EMF formula
EMF formula
(cathode) - (anode)
Positive EMF indicates
Positive EMF indicates
Spontaneous reaction
Negative EMF indicates
Negative EMF indicates
Non-spontaneous reaction
Higher undergoes
Higher undergoes
Reduction
Table lists which type of half-reactions?
Table lists which type of half-reactions?
Reduction half-reactions