【单选题】在 AgNO 3 饱和溶液中 , 加入 NaCl 固体 , 达平衡时 。
A.
c ( Ag + ) = c ( Cl - )
B.
c ( Ag + ) = c ( Cl - ) = [ K sp θ ( AgCl ) ] 1/2
C.
c ( Ag + ) = c (Cl - ) , [ c (Ag + ) / C θ ]·[ c (Cl - ) / C θ ] = K sp θ ( AgCl )
D.
c ( Ag + ) ≠ c (Cl - ) , [ c (Ag + ) / C θ ]·[ c (Cl - ) / C θ ] = K sp θ ( AgCl )
【判断题】纯电感交流电路中的有功功率P=0,即纯电感元件不是储能元件,而是耗能元件。
【单选题】在AgBr饱和溶液中加入AgNO3溶液,达到平衡时,溶液中在AgBr饱和溶液中加入AgNO3溶液,达到平衡时,溶液中
【判断题】纯电感交流电路中的有功功率P=0,即纯电感元件不是耗能元件,而是储能元件。
【单选题】如果在校园网中登陆外网后无法正常使用知网,如何解决( )
【多选题】下列各项中,会对资产负债表预算中存货金额产生影响的有( )。
【单选题】__, I had to buy a new one.
B.
My dictionary having been lost
C.
My dictionary had been lost
D.
Because my dictionary lost
【单选题】在AgNO3饱和溶液中,加入NaCl固体,达平衡时
B.
c (Ag + )= c (Cl - )=[ K θsp (AgCl)] 1/2
C.
c (Ag + ) ¹ c (Cl - ) , [ c (Ag + )/ c θ ] · [ c (Cl - )/ c θ ]= K θsp (AgCl)
D.
c (Ag + ) ¹ c (Cl - ) , [ c (Ag + )/ c θ ] · [ c (Cl - )/ c θ ] ¹ K θsp (AgCl)