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Author Question: Calculate the energy (J) change associated with an electron transition from n = 2 to n = 5 in a Bohr ... (Read 28 times)

dollx

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on: Aug 27, 2018
Calculate the energy (J) change associated with an electron transition from n = 2 to n = 5 in a Bohr hydrogen atom.
 
  A) 6.5  10-19 J
  B) 5.5  10-19 J
  C) 8.7  10-20 J
  D) 4.9  10-19 J
  E) 5.8  10-53 J

Question 2

The DRI values for vitamins and nutrients are set by
 
  A) the Food and Drug Administration.
  B) the Department of Agriculture.
  C) the Food and Nutrition Board of the U.S. National Academy of Sciences.
  D) each of the state governments.


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CourtneyCNorton

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

C


dollx

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Reply 2 on: Aug 27, 2018
Gracias!

31809pancho

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Reply 3 on: Yesterday
Excellent

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