Ch.20 - Electrochemistry
Chapter 20, Problem 75a
Heart pacemakers are often powered by lithium–silver chromate 'button' batteries. The overall cell reaction is 2 Li1s2 + Ag2CrO41s2 ¡ Li2CrO41s2 + 2 Ag1s2 (a) Lithium metal is the reactant at one of the electrodes of the battery. Is it the anode or the cathode?
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