• 2021-04-14
    【单选题】工作表G(G2:G25)列存有总分,要按总分来确定每个学生的名次,下面函数正确的是()
    A. =RANK(G2:G2:G25) B. =RANK(G$2:G2:G25) C. =RANK(G$2:G$2:G$25) D. =RANK(G2:G$2:G$25)
  • =RANK(G2:G$2:G$25)

    内容

    • 0

      已知:C2H6(g,25℃)+(7/2)O2(g,25℃)=2CO2(g,25℃)+3H2O(g,25℃) A:   341K B:   4318K C:  4591K D:   4566K

    • 1

      下列物质的标准摩尔熵Sm的大小顺序是() A: Cl2O (g) 2(g) 2(g) 2(g) 2(g) ; B: Br2(g) > Cl2O (g) > Cl2(g) > F2(g) > H2(g) ; C: H2(g) 2(g) 2(g) 2(g) 2O (g) ; D: Br2(g) 2O (g ) 2(g) 2(g) 2(g)

    • 2

      某温度时,反应H 2(g)+Br 2(g)==2HBr(g)的平衡常数为 4´10 -2,则反应H 2(g)+1/2Br 2(g) === HBr(g)的平衡常数等于 A: 25 B: 5 C: 4´10 -2 D: 0.2

    • 3

      已知:C2H6(g,25℃)+(7/2)O2(g,25℃)=2CO2(g,25℃...的最高温度应为多少(CV与T无关)。()

    • 4

      若下列反应都在25℃下进行,反应的[img=74x40]18033f7287d23ca.png[/img] A: H2(g)+ I2(g)= 2 HI(g) B: HCl(g)+ NH3(g)= NH4Cl(s) C: H2(g)+1/2 O2(g)= H2O(g) D: C(金刚石)+ O2(g)= CO2(g)