Answer the questions using the above HR Diagram
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
Chemistry, 21.06.2019 18:00
What does earth’s rotation on its axis cause? the tides night and day passing of years phases of the moon
Answers: 1
Chemistry, 22.06.2019 21:00
Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point
Answers: 1
Chemistry, 23.06.2019 00:30
You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices
Answers: 3
The Hertzsprung-Russell Diagram
Answer the questions using the above HR Diagram
Answer the questions using the above HR Diagram
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