在298K下,若使电池(-)Pt|H2(g,P1)|HCl(cmol·L-1)|H2(g,P2)|Pt(+)的电动势为正值,则必须使_________。A、P1=P2B、P1>P2C、P1D、P1和P2都可以取任意值
在298K下,若使电池(-)Pt|H2(g,P1)|HCl(cmol·L-1)|H2(g,P2)|Pt(+)的电动势为正值,则必须使_________。
A、P1=P2
B、P1>P2
C、P1
D、P1和P2都可以取任意值
相关考题:
下列电池中,哪一个的电池反应为H++OH-=H2O()A.(Pt)H2|H+(aq)||OH-|O2(Pt)B.(Pt)H2|NaOH(aq)|O2(Pt)C.(Pt)H2|NaOH(aq)||HCl(aq)|H2(Pt)D.(Pt)H2(p1)|H2O(l)|H2(p2)(Pt)
1、下列液接电势不能被忽略的是()A.Pt,H2(g,p)| HCl(a1)‖HCl(a2) |H2(g,p),PtB.Pt,H2(g,p1)| HCl(a) |H2(g,p2),PtC.Pt,H2(g,p)| HCl(a1)|HCl(a2) |H2(g,p),PtD.Pt,H2(g,p)| HCl(a1)|AgCl, Ag-Ag, AgCl | HCl(a2) |H2(g,p),Pt
下列液接电势不能被忽略的是()A.Pt,H2(g,p)| HCl(a1)‖HCl(a2) |H2(g,p),PtB.Pt,H2(g,p1)| HCl(a) |H2(g,p2),PtC.Pt,H2(g,p)| HCl(a1)|HCl(a2) |H2(g,p),PtD.Pt,H2(g,p)| HCl(a1)|AgCl, Ag-Ag, AgCl | HCl(a2) |H2(g,p),Pt
37、下列电池中液接电势不能被忽略的是 ()A.Pt, H2(p1)│HCl(m1)│H2(p2), PtB.Pt, H2(p)│HCl(m1)‖HCl(m2)│H2(p), PtC.Pt, H2(p)│HCl(m1)┆HCl(m2)│H2(p), PtD.Pt, H2(p)│HCl(m1)│AgCl,Ag-Ag,AgCl│HCl(m1)│H2(p), Pt