The ideal gas model makes it possible to explain gas pressure as a result of collisions of molecules with the walls of the vessel in which it is located. Let’s imagine that one ideal gas molecule moves to the inner surface of the vessel wall. At the moment of impact on the wall, the molecule acts on it with a certain force, and the wall, in turn, acts on the molecule with a force equal in magnitude, but opposite in direction. Each gas molecule, striking the wall, acts on it with a definite force for a short period of time. As a result of the random impacts of all molecules moving at different speeds, a force is created that determines the gas pressure.
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