Question

Why does a gas fill a vessel completely?​

Answer 1

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A gas completely fills the vessel in which it is kept because there is negligible force of attraction between the particles of gas. Thus, the gas particles move freely in all directions. ... A gas exerts pressure on the walls of the container because the particles of gas move randomly in all directions at high speed.

Answer 2

Answer:

A gas completely fills the vessel in which it is kept because there is negligible force of attraction between the particles of gas. Thus, the gas particles move freely in all directions. ... A gas exerts pressure on the walls of the container because the particles of gas move randomly in all directions at high speed.

Explanation:

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