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Device galvanic cell for each of the fol...

Device galvanic cell for each of the following reactions and calculate `DeltaG^@` for the reaction, (i) Zn dissolves in HCI to produce `Zn^(2+)` and `H_2` gas. `E_(Zn)^@`= -0.763V.(ii) Cr dissolves in diluteHCl to produce `Cr^(3+)` and `H_2 gas. E_(Cr)^@ = -0.74 V`.

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