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Author Question: Which of the following is an organic molecule? A) N2H4 B) B2O2 C) C2H4 D) ... (Read 119 times)

Davideckstein7

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on: Jul 27, 2018
Which of the following is an organic molecule?
 
  A) N2H4
  B) B2O2
  C) C2H4
  D) H2O2

Question 2

Suppose the surface temperature of the Sun were about 18,000 K, rather than 6,000 K. How much more thermal radiation would the Sun emit? How would the thermal radiation spectrum of the Sun be different?
 
  What will be an ideal response?


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reelove4eva

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

C

Answer to Question 2

From the first rule of thermal radiation, we know that tripling the temperature of an object increases the amount of thermal radiation it emits per unit area by a factor of 34 = 81. Thus, increasing the surface temperature of the Sun from 6,000 K to 18,000 K would increase its thermal radiation by a factor of 81. The higher temperature of the Sun would shift the peak of its thermal radiation spectrum from its current place in the visible light region into the ultraviolet. The hotter Sun would emit more energy at all wavelengths, with the greatest output coming in the ultraviolet.


Davideckstein7

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

meow1234

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Reply 3 on: Yesterday
Excellent

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