Question

If a Vander-Waal's gas expands freely, then final temperature is

• A. Less than the initial temperature
• B. Equal to the initial temperature
• C. More than the initial temperature
• D. Less or more than the initial temperature depending on the nature of the gas

Answer 1

Answer: (A)

Less than the initial temperature

Answer 2

In free expansion of Vander waal’s gas, its temperature decreases