Question

Give reason
1)Gasses fill up the vessel in which they are kept.
2) gases exert pressure on the walls of the containing vessel.

Answer 1

Answer:

A gas exerts pressure on the walls of the container because the particles of gas move randomly in all directions at high speed. As a result, the particles hit each other and also hit the walls of the container with a force.

Answer 2

1.Gases fill up the vessels because the have ability to expand as the particles of gases are not still they are continuously moving.

2. Gases exert pressure on the walls of containing vessels because the kinetic energy of particles of gases is very high and have a large space between them .

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