Question

Two separate $10L$ containers each contain a different gas. One gas is at $400K$; the other gas is at $200K$. When both gases are mixed to the same $10L$ container, Identify the correct statement?
I. The hotter gas loses heat to the cooler gas.
II. The hotter gas increases in temperature when the two are squeezed together.
III. The cooler gas decreases in temperature when placed into the second container

• A. I only
• B. II only
• C. I and III only
• D. II and III only
• E. I, II, and III

Answer 1

The correct option is A I only

In order to achieve thermal equilibrium , hotter gas loses heat to cooler gas and after some time their temperatures will become equal.