How to Calculate Work Done by a Gas in Thermodynamics?

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SUMMARY

The discussion focuses on calculating the work done by a gas in thermodynamic processes, specifically involving a piston and a spring. The relevant equation is the ideal gas law, expressed as pv=nRT. Participants reference previous discussions on Physics Forums that addressed similar problems, providing links for further exploration. The problem in question is identified as originating from the IIT JEE exam in 2015, highlighting its relevance in academic settings.

PREREQUISITES
  • Understanding of the ideal gas law (pv=nRT)
  • Knowledge of thermodynamic principles, particularly work done by gases
  • Familiarity with concepts of internal energy changes
  • Basic understanding of piston-spring systems in thermodynamics
NEXT STEPS
  • Research the application of the ideal gas law in various thermodynamic processes
  • Study the relationship between work done and internal energy in thermodynamics
  • Explore the concept of work done by gases on springs and other mechanical systems
  • Review past IIT JEE exam questions related to thermodynamics for practical application
USEFUL FOR

Students preparing for competitive exams like IIT JEE, educators teaching thermodynamics, and anyone interested in the practical applications of gas laws in physics.

vijayramakrishnan
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Homework Statement


Please see the attached image

Homework Equations


pv=nRT

The Attempt at a Solution



i don't know how to calculate the work done by the gas in the question and i calculated the change in internal energy.
 

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This same exact problem appeared in Physics Forums a couple of months ago. Does anyone remember who the OP was or what the title was?
 
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Likes   Reactions: gracy
Chestermiller said:
This same exact problem appeared in Physics Forums a couple of months ago. Does anyone remember who the OP was or what the title was?
i would be gratified if you could give me the link sir
 
vijayramakrishnan said:
i would be gratified if you could give me the link sir
I just don't remember.
 
It was only that I have much less posts than you, to search :smile:
 
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Likes   Reactions: SammyS
thank you very much sir
 
  • #10
SammyS said:
And she comes through, again !
yes sir this a question from iit jee exam 2015
 

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