Answer to Question #350121 in Physical Chemistry for Amani

Question #350121

Calculate the emf of the following voltaic cells;

(a) Pt/Fe2+(0.1M),Fe3+(0.2M)//Ag+(1M)/Ag

(b)Zn/Zn3+(10^-3M)//Ag+(10^-3M)/Ag

(c)Al/Al3+(0.1M)//Sn2+(0.37M)/Sn

Expert's answer

E=0.33+0.76=1.09 , it will be spontaneous since G=-nFE, and our case is positive E, G - is negative

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