First slide
First law of thermo dynamics
Question

Two litres of an ideal gas at a pressure of 10 atm expands isothermally into a vacuum until the total volume becomes 10L. Which of the following is correct?

Moderate
Solution

Expansion in vacuum, i.e., at Pext=0, w=PV=0×10-2=0

Also, for expansion in vacuum q = 0.

Get Instant Solutions
When in doubt download our app. Now available Google Play Store- Doubts App
Download Now
Doubts App