Question

give reason for the following.a) gases fill up completely the vessel in which they are kept. b) gases exert pressure on the walls of the containing vessel​

Answer 1

a) this is because gases are highly compresseable and fill the vessel completely

b)this is because gases particle are in a random motion

Answer 2

Explanation:

Gases have high KE due to which particles keeps on moving rapidly as a result particles hits the walls of the container and exert pressure and fills up the containing vessels