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13 Cards in this Set

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Galvanic (voltaic) cell
device that uses spontaneous redox reactions to generate electric current
Anode
hlaf cell that gets oxidized
Caathode
Half cell that gets reduced
G for redox reaction
-nFE
n- # e-ns transfered
Reaction is spontaneous if cell voltage is
positive
Reaction is non spontatneous if cell voltage is
negative
Good reducing agent has..
more negative reduction potential
Good oxidizing agent
more positive reduction potential
Electrolytic cell
uses external voltage source (battery) to drive non spontaneous rxn
Anode and cathode sign in galvanic cell
Anode is negative, cathode is positive
Anode and cathode sigh in electrolytic cell
Anode is positive, cathode is negative
faradays law of electrolysis
Amount of chemical change is proportional to the amount of electricity that flows through the cell
Concentration cell
galvanic cell that has identical electrodes but different ion concentrations