今有电池:(-)Pt│Cr2O72-,H+,Cr3+‖Cl-│Cl2(g),Pt(+),要增加电池电动势的办法是()A、增加[H+]B、增加Cl2气分压C、增加[Cl-]D、增加[Cr2O72-]

今有电池:(-)Pt│Cr2O72-,H+,Cr3+‖Cl-│Cl2(g),Pt(+),要增加电池电动势的办法是()

  • A、增加[H+]
  • B、增加Cl2气分压
  • C、增加[Cl-]
  • D、增加[Cr2O72-]

相关考题:

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PaOSUB2/SUB↓,PaCOSUB2/SUB↑提示( )

有程序如下: Sub subP(b() As Integer) For i=1 To 4 b(i)=2*i Next i End Sub Private Sub Command1_Click() Dim a(1 To 4) As Integer a(1)=5 a(2)=6 a(3)=7 a(4)=8 subP a() For i=1 To 4 Print a(i) Next i End Sub运行上面程序,单击命令按钮,输出结果为______ 。A. 2 4 6 8B.5 2 2 2C.10 12 14 16D.出错

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