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试解释下列各组酸强度的变化顺序。HClO4﹥H2SO4﹥H3PO4﹥H4SiO4


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考题 在水中不同酸强度顺序为HClO4=H2SO4=HCI=HNO3。

考题 冰醋酸中不同酸强度顺序为HClO4>HClH2SO4HNO3。

考题 运行以下程序后,输出结果为_____________。 Private Sub Command1_Click() a=1:b=2:c=3 Call test(a,b+3,(c)) Print "main:";a;b;c End Sub Private Function test(p,m,n) p=p+1:m=m+1:n=n+1 Print "sub:";p;m;n End Function:A. sub:2 6 4 main:1 2 3B. sub:2 6 4 main:2 2 3C. sub:2 6 4 main:2 6 4D. sub:2 6 4 main:1 6 4

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考题 冰醋酸中不同酸强度顺序为HClO4>HClH2SO4HNO3。A、均化效应B、区分效应

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考题 试解释下列各组酸强度的变化顺序。HI﹥HBr﹥HCl﹥HF

考题 class super {  public int getLength()  {return 4;}  }  public class Sub extends Super {  public long getLength() {return 5;}  public static void main (String[]args)  {  super sooper = new Super ();  Sub sub = new Sub();  System.out.printIn(  sooper.getLength()+ “,” + sub.getLength()   };  }  What is the output?()  A、 4, 4B、 4, 5C、 5, 4D、 5, 5E、 The code will not compile.

考题 class Super { public int getLenght() { return 4; } } public class Sub extends Super { public long getLenght() { return 5; } public static void main(String[] args) {Super sooper = new Super(); Sub sub = new Sub(); System.out.println( sooper.getLenght() + “,” + sub.getLenght() ); } } What is the output? ()A、 4,4B、 4,5C、 5,4D、 5,5E、 Compilation fails.

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考题 试解释下列各组酸强度的变化顺序。HNO3﹥HNO2

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