Answer to Question #88941 in Physics for Murari

Question #88941

Why air expanding gets cooler
And if hot air expands in vacuum then would it cool or not

Expert's answer

An air expanding gets cooler because the frequency of collissions between the molecules of the gas decreases when air expands.

When hot air expands in vacuum its temperature doesn't change.

Learn more about our help with Assignments: Physics

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. What exerts more pressure cold air or hot air
2. We use black sunshades in our cars on our windows to block light but I want to ask that how do those
3. Black absorbs all wavelength or whole visible light So when it absorbs light where does it go If
4. 1.in 2009 Usain bolt set a new world record time of 9.58 seconds for the mens 100 metres. What was h
5. The impurities that capture electrons from the valence band in a semiconductor are called 1) donors
6. Imagine making waves on a slinky. First, we make a wave with: wavelength 2 cm long, amplitude 0.2 cm
7. A source emits electromagnetic waves of wavelength 3m. One beam reaches the observer directly and o