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//Chapter-10,Example 8,Page 254
clc();
close();
R=8.316 //gas constant
F=96500 //Farade's constant
n=2
T=298 //temperature in Kelvin
E0_Zn=-0.765
E0_Cu=0.337
//cell reaction...Zn + Cu+2 <----> Zn+2 + Cu
// K = [Zn+2]*[Cu]/[Zn]*[Cu+2]...equilibrium constant
E0_cell =E0_Cu - E0_Zn
//at equilibrium two electrode potential s will be equal
// E0_cell = (2.303*R*T/n*F)*log10([Zn+2]*[Cu]/[Zn]*[Cu+2])
// E0_cell = (2.303*R*T/n*F)*log10(K)
K = 10^(E0_cell/(2.303*R*T/(n*F)))
printf('the equilibrium constant is K = ')
disp(K)
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