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kinetic molecular theory - Coggle Diagram
kinetic molecular theory
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Compression & Expansion
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If we compress a gas without changing its temperature, the average kinetic energy of the gas particles stays the same.
Compression:There is no change in the speed with which the particles move, but the container is smaller.
Expansion occurs when an object expands and becomes larger due to a change in the object's temperature.
Expansion is when a substance is heated the average kinetic energy of molecules increases and they start moving with an increased speed.
Deffusion and Effusion
Diffusion refers to the process of particles moving from an area of high concentration to one of low concentration.
Diffusion is the rate of this movement is a function of temperature, viscosity of the medium, and the size (mass) of the particles.
Diffusion results in the gradual mixing of materials, and eventually, it forms a homogeneous mixture.
Effusion is related to diffusion and is how a gas escapes through a hole in one container into another (evacuated) container.