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Electrochemical cells Flashcards
Galvanic cell
A cell in which chemical energy is converted to electrical energy
Oxidation in terms of electron transfer
Oxidation is a loss of electrons
Reduction in terms of electron transfer
Reduction is a gain of electrons
Oxidation in terms of oxidation numbers
Oxidation: an increase in oxidation number
Reduction in terms of oxidation numbers
Reduction: a decrease in oxidation number
Oxidising agent
A substance that is reduced/gains electrons
Reducing agent
A substance that is oxidised/loses electrons
Anode
The electrode where oxidation takes place
Cathode
The electrode where reduction takes place
Electrolyte
A substance of which the aqueous solution contains ions OR a substance that dissolves in water to give a solution that conducts electricity
Electrolysis
The chemical process in which electrical energy is converted to chemical energy OR the use of electrical energy to produce a chemical change
Electrolytic cell
A cell in which electrical energy is converted into chemical energy
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Electrochemical cells Flashcards
Galvanic cell
A cell in which chemical energy is converted to electrical energy
Oxidation in terms of electron transfer
Oxidation is a loss of electrons
Reduction in terms of electron transfer
Reduction is a gain of electrons
Oxidation in terms of oxidation numbers
Oxidation: an increase in oxidation number
Reduction in terms of oxidation numbers
Reduction: a decrease in oxidation number
Oxidising agent
A substance that is reduced/gains electrons
Reducing agent
A substance that is oxidised/loses electrons
Anode
The electrode where oxidation takes place
Cathode
The electrode where reduction takes place
Electrolyte
A substance of which the aqueous solution contains ions OR a substance that dissolves in water to give a solution that conducts electricity
Electrolysis
The chemical process in which electrical energy is converted to chemical energy OR the use of electrical energy to produce a chemical change
Electrolytic cell
A cell in which electrical energy is converted into chemical energy
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Galvanic cell
A cell in which chemical energy is converted to electrical energy
Oxidation in terms of electron transfer
Oxidation is a loss of electrons
Reduction in terms of electron transfer
Reduction is a gain of electrons
Oxidation in terms of oxidation numbers
Oxidation: an increase in oxidation number
Reduction in terms of oxidation numbers
Reduction: a decrease in oxidation number
Oxidising agent
A substance that is reduced/gains electrons
Reducing agent
A substance that is oxidised/loses electrons
Anode
The electrode where oxidation takes place
Cathode
The electrode where reduction takes place
Electrolyte
A substance of which the aqueous solution contains ions OR a substance that dissolves in water to give a solution that conducts electricity
Electrolysis
The chemical process in which electrical energy is converted to chemical energy OR the use of electrical energy to produce a chemical change
Electrolytic cell
A cell in which electrical energy is converted into chemical energy
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