Galvanic and Electrolytic Cells (Grade 12 NSC Matric Physical Sciences): Flashcards
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Electrochemical reaction
Electrochemical reaction
Reaction with electron transfer, converts chem ↔ elec energy
Electrode where oxidation occurs
Electrode where oxidation occurs
Anode
Electrode where reduction occurs
Electrode where reduction occurs
Cathode
OIL RIG mnemonic meaning
OIL RIG mnemonic meaning
Oxidation Is Loss; Reduction Is Gain (of electrons)
Electrolyte
Electrolyte
Solution with free ions that conducts electrical charge
Galvanic cell
Galvanic cell
Converts chemical to electrical energy via spontaneous reaction
Electrolytic cell
Electrolytic cell
Converts electrical to chemical energy via forced reaction
Galvanic cell energy conversion direction
Galvanic cell energy conversion direction
Chemical → Electrical
Electrolytic cell energy conversion direction
Electrolytic cell energy conversion direction
Electrical → Chemical
Salt bridge function
Salt bridge function
Connects half-cells, completes circuit, maintains neutrality