Chemical Thermodynamics Question 27
Question: One mole of an ideal gas at $ 300K $ is expanded isothermally from an initial volume of 1 litre to 10 litres. The change in energy for this process is $ (R=2,cal,mo{{l}^{-1}}{{K}^{-1}}) $ [CBSE PMT 1998]
Options:
A) 163.7 cal
B) 850.2 cal
C) 1381.1 cal
D) Zero
Show Answer
Answer:
Correct Answer: D
Solution:
For isothermal expansion of ideal gas, $ \Delta E=0 $ .