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Question: Answered & Verified by Expert
Work done on a ideal gas in a cylinder when it is compressed by an external pressure in a single step is shown below:

Which of the following graphs will show the work done on the gas?
ChemistryThermodynamics (C)JEE Main
Options:
  • A
  • B
  • C
  • D
Solution:
2317 Upvotes Verified Answer
The correct answer is:
The pressure is constant and equal to Pex
Also the process is a single step
Therefore, it is a straight line parallel to volume axis and has a value of Pex
Also, work done =PexΔV= Area under theP−Vcurve.

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