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Basic aspects of the kinetic model of particles (Kinetic Theory…
Basic aspects of the kinetic model of particles
Static Theory
Small units of a stationary gas
Occupying fixed positions
Filling all the space at their disposal
Expanding and contracting
Staying in contact with each other
Created by
Dalton
Newton
Kinetic Theory
Relation with the gas pressure and the speed in which the molecules are moving
Created by
Daniel Bernoulli
Assumptions established in the 19th century
A gas is formed by molecules
Molecules don't exert force except when they collide with themselves or the container walls
Magnitudes and velocity of the molecules are constntly changing
The molecules are equally distributed in the container unless an external force acts on it
Can explain things such as
Diffusivity
Gases occupy all the interior space of the container and mix easily
Volume of gas
Gases don't have a defined volume because the forces acting between molecules are nearly insignificant
Gas pressure in a container
Molecules collide with the container walls, exerting pressure against the walls
Temperature of a gas
Heating a gas raising its temperature increases the kinetic energy of its molecules and their speeds