This topic contains a solution. Click here to go to the answer

Author Question: Calculate the energy (J) change associated with an electron transition from n = 2 to n = 5 in a Bohr ... (Read 82 times)

dollx

  • Hero Member
  • *****
  • Posts: 558
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CourtneyCNorton

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

D

Answer to Question 2

C




dollx

  • Member
  • Posts: 558
Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it


brbarasa

  • Member
  • Posts: 308
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

For a complete list of videos, visit our video library