Chemical Thermodynamics Question 126
Question: If gas, at constant temperature and pressure expands then its [MH CET 2003]
Options:
A) Entropy increases and then decreases
B) Internal energy increases
C) Internal energy remains the same
D) Internal energy decreases
Show Answer
Answer:
Correct Answer: C
Solution:
We know that internal energy of a gas depends upon its pressure and temperature. Thus if a gas expands at constant temperature and pressure, then its internal energy remains same.
