【简答题】根据氧化还原反应Cu+2Ag + ═Cu 2+ +2Ag设计一个原电池?并判断正负极、写出各电极电极反应方程和反应的类型(在方框内画出原电池装置图)
【简答题】Ania never _____ (go) to bed before midnight.
【单选题】小王要旅行社委派到火车站接某旅行团,但按预定的车次设有接到该旅行固团,这种情况属于( )
【简答题】已知电池(-)Cu|Cu 2+ (0.1mol·dm -3 )||Ag + (0.01mol·dm -3 )|Ag(+), (Cu 2+ /Cu)=0.3419V, (Ag + /Ag)=-0.7996V,计算该反应的平衡常数。
【单选题】Ania lubi kawę z mlekiem,ale nie lubi kawy bez_________.
【简答题】Ania always _____ (eat) a healthy diet.
【简答题】Ania usually _____ (get) up at 7:00.
【单选题】将反应 Cu+Ag + →Cu 2+ +Ag 设计成原电池,其电池符号为 ( )
A.
(-)Cu 2+ (c 1 )│Cu( s )║Ag( s )│Ag + (c 2 ) (+)
B.
(-)Pt( s ) , Ag( s )│Ag + (c 1 )║Cu 2+ (c 2 )│Cu( s ) , Pt( s ) (+)
C.
(-)Pt( s )│Cu( s )│Cu 2+ (c 1 )║Ag + (c 2 )│Ag( s )│Pt( s ) (+)
D.
(-)Cu( s ) , Cu 2+ (c 1 )║Ag + (c 2 ) , Ag( s ) (+)
E.
(-)Cu( s )│Cu 2+ (c 1 )║Ag + (c 2 )│Ag( s ) (+)
【简答题】When ____ Ania start to work for IBM?