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Author Question: What is the work done on the gas as it expands from pressure P1 and volume V1 to pressure P2 and ... (Read 54 times)

Sufayan.ah

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on: Jul 28, 2018
What is the work done on the gas as it expands from pressure P1 and volume V1 to pressure P2 and volume V2 along the indicated straight line?
 
   
   
  a.
  (P1  P2)(V1  V2)/2
  b.
  (P1 + P2)(V1  V2)
   
  c.
  (P1 + P2)(V1  V2)/2
  d.
  (P1 P2)(V1 + V2)

Question 2

An ideal gas at pressure, volume, and temperature, P0, V0, and T0, respectively, is heated to point A, allowed to expand to point B also at As temperature 2T0, and then returned to the original condition. The internal energy decreases by 3P0V0/2 going from point B to point T0. How much heat left the gas from point B to point T0?
 
   
   
  a.
  0
  b.
  P0V0/2
   
  c.
  3P0V0/2
  d.
  5P0V0/2


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krakiolit

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Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

d


Sufayan.ah

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Reply 2 on: Jul 28, 2018
Gracias!

xthemafja

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Reply 3 on: Yesterday
Wow, this really help

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