This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In our Sun, the spectral lines of hydrogen are weak, compared to their appearance in hotter stars. ... (Read 76 times)

lunatika

  • Hero Member
  • *****
  • Posts: 548
on: Jul 27, 2018
In our Sun, the spectral lines of hydrogen are weak, compared to their appearance in hotter stars.
 
  Indicate whether the statement is true or false

Question 2

At the end of the first fifteen minutes, the mass ratio of H/He created was about:
 
  A) 50/50.
  B) 75/25.
  C) 27/73.
  D) 90/10.
  E) 1/4.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

s.meritte

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

B


lunatika

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Jul 27, 2018
Thanks


s.meritte

  • Sr. Member
  • ****
  • Posts: 306
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Isotopes of Hydrogen Isotopes of Hydrogen
Classifying the Spectra of Stars Classifying the Spectra of Stars
Hints of Earth’s Early Appearance Hints of Earth’s Early Appearance
A pleasant smile can go a long way, even through telephone lines. A pleasant smile can go a long way, even through telephone lines.
The temperature of the outlet should be at least 10% hotter than the temperature of the inlet. if ... The temperature of the outlet should be at least 10% hotter than the temperature of the inlet. if ...
Bright-Line Spectra of Hydrogen and Helium Bright-Line Spectra of Hydrogen and Helium
Video: Renin/Angiotensin (water gain from urine & Na ion and water reabsorption)

For a complete list of videos, visit our video library