Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
In an isothermal and irreversible expansion of a gas, what is the relationship between q and w?
ChemistryThermodynamics (C)NEET
Options:
  • A q = w
  • B q < w
  • C q > w
  • D q is unrelated to w.
Solution:
2295 Upvotes Verified Answer
The correct answer is: q = w
In an isothermal expansion, both q (heat absorbed) and w (work done) are equal and have the same magnitude but opposite signs.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.