4-13 273K时,反应-|||-(Cl)_(2)cdot 6(H)_(2)O(s)leftharpoons (S)_(r)(Cl)_(2)cdot 2(H)_(2)O(s)+4(H)_(2)O g)-|||-的 ^theta =6.89times (10)^-12-|||-(1)试计算SrCl2·6H 2O(s)表面H 2O(g)的平衡分压;-|||-(2)若该温度下水的饱和蒸气压为611Pa,要保证SrCl2·6H 2O(s)不失水-|||-风化,相对湿度应为多少?

4.9某化合物A的水合晶体A·3H2 O脱水反应过程为-|||-cdot 3(H)_(2)O(s)=!=!= Acdot 2(H)_(2)O(s)+(H)_(2

在 600 K、100 kPa 压力下，生石膏的脱水反应为(CaS)({{O)}_4}cdot 2({{H)}_2}(O)({( {s) )}=}(CaS)({

26.在600K,100 kPa压力下,生石膏的脱水反应为-|||-(O)_(4)cdot 2(H)_(2)O(s)arrow CaS(O)_(4)(s)+2(

26.在600K,100 kPa压力下,生石膏的脱水反应为-|||-(O)_(4)cdot 2(H)_(2)O(s)arrow CaS(O)_(4)(s)+2(

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_(

373 K 时，2(NaHC)({{O)}_3}( (s) )leftharpoons (N)({{a)}_2}(C)({{O)}_3}( (s) )+(C)(

([ {(Si{O)_(2))}_(m)cdot n(S{O)_(3)}^2-cdot 2(n-x)(H)^+] }^2x--|||-C. ((Si{O)_(2

(2) _(2)(O)_(2)+(I)^-+(H)^+ →-|||-(4) FeCl3+H2S- →-|||-(6) +HN(O)_(3) (浓)→-|||-(

已知 (298 K) 时 φ⊖Ag+| Ag=0.799 V，电池 (Pt)|({{H)}_2}|({{H)}_2}(S)({{O)}_4}((aq))|(A)

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)(