Cell potential (E°cell) measures the voltage of an electrochemical cell — the driving force for electron transfer. E°cell = E°cathode − E°anode. A positive cell potential indicates a spontaneous reaction.
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Did You Know?
Alessandro Volta invented the first battery (voltaic pile) in 1800 using alternating zinc and copper discs separated by brine-soaked paper — essentially many Daniell cells stacked in series.
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