14.已知电池 |Zn(Cl)_(2)(b=0.01molcdot (Kg)^-1)|AgCl(s)|Ag 在25℃时的电动势 =1.1566V,-|||-电动势的温度系数 (dfrac (partial E)(partial T))=4.02times (10)^-4Vcdot (K)^-1, 电极电势 ({E)_(2n)}^2+/(n)_(n)=-0.763V, _(AgC{H)_(Ag)}=0.222V-|||-(1)写出电池的电极反应和电池反应;-|||-(2)计算25℃时电池反应的 Delta (G)_(m) (Delta )_(1)(H)_(m) (Delta )_(1)(S)_(m) 及标准平衡常数 ^theta -|||-(3)计算25℃时 .01molcdot (kg)^-1Zn(Cl)_(2) 溶液的平均活度及平均活度因子。