1V Calculate
the standard Gibbs energy for the reaction:
Zn(s) + Cu2+(aq) ¾® Zn2+(aq) + Cu(s)
DrGo = – nF
o
(cell)
E
n in the above equation is 2, F = 96487 C mol–1 and 
(
)
o
Ecell
= 1 1 V
Therefore, DrGo = – 2 × 1 1V × 96487 C mol–1
= – 21227 J mol–1
= – 212