SME
Grade 10 Science · Problem type
Galvanic or electrolytic cell?
Use this for “How is an electrolytic cell different from a battery?”
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Which kind of cell is it?
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Assumptions
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In both cells oxidation happens at the anode and reduction at the cathode.
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A galvanic cell runs a spontaneous reaction and makes electricity; an electrolytic cell uses electricity to drive one that would not go by itself.
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Related lessons
Oxidation-reduction reactions, electrochemistry, electrolysis and corrosion
Main lesson
Standard cell voltage
Use this for “What voltage does a zinc–copper cell give?”: E°cell from the two metals’ reduction potentials.
Oxidation numbers: the atom to find
Use this for “What is the oxidation number of S in H₂SO₄?” or in SO₄²⁻.
Oxidized, reduced or neither?
Use this for “In Zn + Cu²⁺ → Zn²⁺ + Cu, which substance is oxidized?”