• 2022-06-09 问题

    Calculate the ionic strength I of a 0.010 mol/kg CuSO4 aqueous solution and its mean ionic activity coefficient g± at 298 K. (Hint: Using Debye-Huckel limiting law, [img=200x28]17de87ec0165e4e.png[/img]when lgg± is used.) A: 0.04 mol/kg,0.392 B: 0.04 mol/kg,0.470 C: 0.03 mol/kg,0.470 D: 0.03 mol/kg,0.392

    Calculate the ionic strength I of a 0.010 mol/kg CuSO4 aqueous solution and its mean ionic activity coefficient g± at 298 K. (Hint: Using Debye-Huckel limiting law, [img=200x28]17de87ec0165e4e.png[/img]when lgg± is used.) A: 0.04 mol/kg,0.392 B: 0.04 mol/kg,0.470 C: 0.03 mol/kg,0.470 D: 0.03 mol/kg,0.392

  • 2022-06-15 问题

    一束波长为105 nm 的单色光照射在逸出功为5.00 eV的金属表面,从金属表面逸出的光电子(静止质量为[img=113x26]1802d09cd4a4668.png[/img])的德布罗意波长的最小值最接近下列数值中的哪一个? A: 0.235 nm B: 0.332 nm C: 0.470 nm D: 0.664 nm E: 0.939 nm

    一束波长为105 nm 的单色光照射在逸出功为5.00 eV的金属表面,从金属表面逸出的光电子(静止质量为[img=113x26]1802d09cd4a4668.png[/img])的德布罗意波长的最小值最接近下列数值中的哪一个? A: 0.235 nm B: 0.332 nm C: 0.470 nm D: 0.664 nm E: 0.939 nm

  • 1