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humphriesbr@me.com

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An expansion process on an ideal diatomic gas has a linear path between the initial and final states on a pV diagram. The initial pressure is 300 kPa, the initial volume is 0.060 m3, and the initial temperature is 390 K.
 
  The ideal gas constant is R = 8.314 J/mol  K. The final pressure is 150 kPa and the final temperature is 260 K. The work done by the gas is closest to A) 4500 J.
  B) 2300 J.
  C) 3400 J.
  D) 5600 J.
  E) 6800 J.

Question 2

A monatomic ideal gas undergoes an isothermal expansion at 300 K, as the volume increased from 0.020 m3 to 0.040 m3. The final pressure is 120 kPa. The ideal gas constant is R = 8.314 J/mol  K. The heat transfer to the gas is closest to
 
  A) 3.3 kJ.
  B) 1.7 kJ.
  C) -3.3 kJ.
  D) -1.7 kJ.
  E) 0.00 kJ.



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Awesome

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Answer to Question 1

A

Answer to Question 2

A




humphriesbr@me.com

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it


ktidd

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Reply 3 on: Yesterday
Wow, this really help

 

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