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
If a gas expands at constant temperature indicates that
ChemistryThermodynamics (C)JIPMERJIPMER 2014
Options:
  • A kinetic energy of molecules decreases
  • B pressure of the gas increases
  • C kinetic energy of molecules remains as same
  • D number of the molecules of gas increase
Solution:
1281 Upvotes Verified Answer
The correct answer is: kinetic energy of molecules remains as same
$\begin{gathered}\because \quad \mathrm{KE}=\frac{3}{2} R T \\ \mathrm{KE} \propto T\end{gathered}$
Here, the temperature of gas remains constant hence kinetic energy of molecules remains the same.

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.