I keep getting “Types of cells” questions wrong in Electrochemistry. What's the trap?
swapping which cell is spontaneous.
The usual trap: swapping which cell is spontaneous. How to avoid it: galvanic = battery (gives energy); electrolytic = needs a power source. Go back to the definition — a galvanic cell turns a spontaneous reaction into electricity; an electrolytic cell uses electricity to drive a non-spontaneous reaction.
Key point
Types of cells
Common mistake
swapping which cell is spontaneous.
Memory tip
galvanic = battery (gives energy); electrolytic = needs a power source.
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