Concept explainers
The magnitudes (but not the signs) of the standard reduction potentials of two metals X and Y are
where the || notation denotes that only the magnitude (but not the sign) of the E° value is shown. When the half-cells of X and Y are connected, electrons flow from X to Y. When X is connected to a SHE, electrons flow from X to SHE. (a) Are the E° values of the half-reactions positive or negative? (b) What is the standard emf of a cell made up of X and Y?
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Chemistry: Atoms First
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