For cell schematic notation Zn(s) | ZnCl2 (1.0 M )| | CuSO4 ( 2.0 M ) | Cu(s) (standard reduction potential E˚Zn(II)/Zn = -1.3 V E˚Cu(II)/Cu = 0.80 V T=25 ˚C R = 8.314 J ) (a ) Calculate Ecell of the above cell in volts. (b) Is this cell being used as a battery or electrolytic cell ? Is the overall cell reaction a spontaneous one ? (c ) Write the reactions at the anode and cathode respectively.
3 . For cell schematic notation Zn(s) | ZnCl2 (1.0 M )| | CuSO4 ( 2.0 M ) | Cu(s)
(standard reduction potential E˚Zn(II)/Zn = -1.3 V E˚Cu(II)/Cu = 0.80 V T=25 ˚C R = 8.314 J )
(a ) Calculate Ecell of the above cell in volts.
(b) Is this cell being used as a battery or electrolytic cell ? Is the overall cell reaction a spontaneous one ?
(c ) Write the reactions at the anode and cathode respectively.
( d) Calculate the equilibrium constant K for the reaction Zn 2+ (aq) + Cu (s ) = Cu 2+ ( aq ) + Zn (s)
( e ) What is the purpose to construct the following cell in Quant Analysis ? Please explain.
Ag(s) | AgCl(s), KCl (1.0 M ) | | Cu 2+ ( aqueous ) | Cu(s)
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