【简答题】指出下列原电池的正、负极(用 + 或 - 标明) Pt , H 2 (p 1 ) | HCl(aq) | H 2 (p 2 ) , Pt ( 已知 p 1
【简答题】电池Pt(s)|Cl2(p1)|HCl(0.1 mol·kg-1)| Cl2(p2)|Pt(s)的负极反应(__),正极反应(__),电池反(__),若p1>p2,则此电池电动势 (__)0(选填>,<=)。
【简答题】电池 Pt(s)|Cl 2 ( p 1 )|HCl(0.1mol·kg -1 )|Cl 2 ( p 2 )|Pt(s) 的负极反应 ,正极反应 ,电池反应 。
【简答题】电 池 Pt(s)|Cl2(p1)|HCl(0.1mol.kg-1)|Cl2(p2) ∣ Pt(s) ,若 p1> p2, 则此电池电动势 0 (选填“ > ”“ < ”“=”)。
【简答题】He said that they had ________ been obliged to give up the scheme for lack of support. A) gravely B) regrettably C) forcibly D) graciously
【单选题】He said that they Yunnan.
【单选题】He said that they _( )_ Beijing before.
【简答题】电池Pt(s)|Cl 2 (p 1 )|HCl(0.1mol·kg -1 )|Cl 2 (p 2 )|Pt(s)的负极反应(),正极反应(),电池反应(),若p 1 >p 2 ,则此电池电动势()。
【单选题】He said that they _____ such an interesting football match before. [ ]