2.在298K和标准压力下,试写出下列电解池在两电极上所发生的反应,-|||-并计算其理论分解电压:-|||-(1) (s)|NaOH(1.0molcdot (kg)^-1 _(z)=0.68)|(P)_(t)(s)-|||-(2) (s)|HBr(0.05molcdot (kg)^-1 ,_(z)=0.860)|Pt(s)-|||-(3) (s)|AgN(O)_(3)(0.50molcdot (K)^-1 _(z)=0.526)-|||-jí (O)_(3)(0.01molcdot (kg)^-1 _(i)=0.902)|Ag(s)