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Author Question: When the electron in a hydrogen atom moves from n = 5 to n = 2, light with a wavelength of ________ ... (Read 57 times)

newyorker26

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on: Aug 27, 2018
When the electron in a hydrogen atom moves from n = 5 to n = 2, light with a wavelength of ________ nm is emitted.
 
  A) 93.8
  B) 410
  C) 487
  D) 657
  E) 434

Question 2

What is the concentration (in M) of hydroxide ions in a solution at 25.0 C with pH = 4.282?
 
  A) 4.28
  B) 9.72
  C) 1.92  10-10
  D) 5.22  10-5
  E) none of the above
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ryansturges

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Reply #1 on: Aug 27, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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newyorker26

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Reply 2 on: Aug 27, 2018
Excellent

dyrone

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Reply 3 on: Yesterday
Wow, this really help

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