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Electrochemistry
N/A
12
Chemistry
Undergraduate 1
05/10/2009

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Term
Electrolysis
Definition
The process of producing chemical change by application of an external electric current to an electrochemical cell
Term
Overvoltage
Definition
Amount of voltage over the expected voltage during electrolysis
Term
Concentration Cell
Definition
The active species are the same but their concentrations are different
Term
Cathode
Definition
Electrode at which reduction occurs
Term
Anode
Definition
Electrode which oxidation occurs
Term
Reduction
Definition
Electrons gained
Term
Oxidation
Definition
Electrons lost
Term
Half-cell
Definition
A portion of an electrochemical cell in which a half-reaction takes place
Term
Electrode
Definition
The part of an electrochemical cell that conducts the electricity between the cell and the surroundings
Term
Half-reaction
Definition
A method of balancing redox reactions by treating the oxidation and reduction half-reactions seperately
Term
Voltaic Cell
Definition
ΔG<0
Term
Electrolytic Cell
Definition
ΔG>0
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