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Author Question: How many degrees Kelvin is 25 F? a. 298 K c. 269 K b. 277 K d. 266 ... (Read 23 times)

Starlight

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How many degrees Kelvin is 25 F?
 
  a. 298 K c. 269 K
  b. 277 K d. 266 K

Question 2

What are the two opposing forces in a mercury barometer?
 
  a. The weight of the mercury column and the force of the gas molecules
  b. The weight of the mercury column and the spring tension
  c. The spring tension and the gas pressure
  d. The gravity and the gas pressure



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kaykay69

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Answer to Question 1

ANS: C
See Box 1-3.

Answer to Question 2

ANS: A
In a mercury barometer the weight of a column of mercury must equilibrate with the force of the gas molecules.




Starlight

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Reply 2 on: Jul 16, 2018
Gracias!


tkempin

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Reply 3 on: Yesterday
Wow, this really help

 

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