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22 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Electro chemistry |
Involves electron movement it flow and chemical reactions |
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Electric current |
The transfer of charge from one plave to another |
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Metallic conductors |
Some electrons are loosely held ib place and move easily through all metals |
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Ionic conduction in electrolytes |
An electrical chatve is carried through the solution by mobile ions in solution |
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Direct current |
Electrons flow in one direction only |
Batteries and solar cells |
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Alternating current |
Electrons flow alternatly in one direction then in reverse directuon |
All generators and AC |
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Electrolytic cell |
A device in which an electric current causes a redox reaction |
Recharging a battery |
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Energy conversion |
Electrical to chemical |
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Electrolysis |
Process in an electrolytic cell |
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Cathode |
The electron where reduction occurs |
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Anode |
The electrode where oxidation occurs |
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Voltaic cell |
A redox reaction that produces an electric current |
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Energy conversion |
Chemical to electrical |
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Electromotive force |
The difference in potential energy between 2 terminals in a voltaic cell |
Measured in volts |
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Salt bridge |
Electrically connects the 2 parts of a voltaic cell |
Contains an electrolyte |
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Pourus cup |
An alternative to salt bridge |
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Epectron movement |
Electrons leave the anode and enter the cathode |
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Ion movement |
Carries charge through the electrolyte |
Only in the internal circuit |
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Equilibrium |
The potential drops to zero |
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Spontaneous redox reaction |
Reactions that will occur |
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Corrosion |
Spontaneous redox reaction where metal is oxidized and deteriorates |
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Resting |
Spontaneous redox reaction where iron combines with oxygen |
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