已知 $\text{298 K}$ 时 ，电池 $\text{Pt}|{{\text{H}}_2}|{{\text{H}}_2}\text{S}{{\text{O}}_4}\text{(aq)}|\text{A}{{\text{g}}_2}\text{S}{{\text{O}}_4}\text{(s)}|\text{Ag(s)}$ 的 ${{E}^{\ominus }}$ 为 $0.\text{627 V}$，$\text{A}{{\text{g}}_2}\text{S}{{\text{O}}_4}$ 的活度积为( )
A.
$3.8\times {{10}^{-17}}$
B.
$1.2\times {{10}^{-3}}$
C.
$2.98\times {{10}^{-3}}$
D.
$1.52\times {{10}^{-6}}$
有电池 (s)|ZnS(O)_(4)(0.01mol)KKg(H)^-1)|(A)_(2)S(O)_(4)(s)|Ag(s), 在298K时,电池-|||-电动
Pt, H2│H2SO4(aq)│Ag2SO4(s)│Ag(s) 则 Ag2SO4的活度积为：A. 3.8×10-17B. 1.2×10-3C. 2.98×10
例3 298K和p^θ压力下,有化学反应:-|||-_(2)S(O)_(4)(s)+(H)_(2)((O)^6)=2Ag(s)+(H)_(2)S(O)_(4)(
已知298 K时反应：3 ( Fe(s)) + 4 ( H)_2(O(g)) = (Fe)_3(O)_4((s)) + 4 ( H)_2((g))Delta_(
......-|||-(A)Pt(s)|H 2(g)|HBr(aq)|Br2 (1),Pt(s)-|||-(B)Zn(s)|ZnBr2(aq)|Br2(1)|P
下列电池:Pt,H2(p?)|H2SO4(aq)|O2(p?),Pt298K时E=1.228V,已知液体水的生成热ΔfHm? (298K,H2O,l) = -2
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10.已知电极反应: _(3)Ag(O)_(4)+2(H)^++2(e)^-=!=!= (H)_(3)Ag(O)_(3)+(H)_(2)O-|||-(varph
5.在18℃时,电池-|||-(Pt) _(2)((p)^0)|(H)_(2)S(O)_(4)(aq)|(O)_(2)((p)^0)(pt)-|||-的电动势
2.已知718.15 K时,Ag2O(s)的分解压为20974kPa,则在该温度下反-|||-应 _(2)O(s)=2(Ag)_(2)g(s)+1/2(O)_(