Chemistry, 25.02.2020 03:20 18alewis

The Hertzsprung-Russell Diagram

Answer the questions using the above HR Diagram

1. What factor affects the color of a star?

2. What is luminosity?

3. What factor affects the luminosity of a star?

4. What is the approximate surface temperature of the sun?

5. What is the color of the stars with the highest surface temperature?

6. What type of star has a high temperature but a low luminosity?

7. Most of the stars on the HR Diagram are classified as which type of star?

8. How is it possible for white dwarfs to have a lower luminosity than the sun even though the sun is cooler than white dwarfs?

9. What is the color of the stars with the lowest surface temperature?
10. What type of star has a low temperature but a high luminosity?

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 03:50

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Answers: 1

Answer

Chemistry, 22.06.2019 12:20

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.

Answers: 1

Answer

Chemistry, 22.06.2019 21:30

Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h

Answers: 1

Answer

Chemistry, 23.06.2019 12:30

Choose one literary selection from this semester in which you think the setting has a great impact on the work. in a full paragraph name the work, describe the setting, and explain why it is so important to the overall story or poem.

Answers: 1

Answer

You know the right answer?

The Hertzsprung-Russell Diagram

Answer the questions using the above HR Diagram

Questions