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899578
Particle Theory
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chemistry
gcse
Mapa Mental por
Leon of House Crook
, atualizado more than 1 year ago
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Criado por
Leon of House Crook
quase 10 anos atrás
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Resumo de Recurso
Particle Theory
States of Matter
Solid
Ice
Strong attractions
Vibrate around fixed position
Volume does not change with pressure
Liquid
Water
Weaker attractions
Move around and slide past each other (particle movement)
Volume does not change with pressure
Gas
Water Vapour
Weakest attractions
Particles move freely and fast
Collide and bounce randomly
Gas is pushed into a smaller volume with increased pressure
Diffusion
Process by which particles mix and spread throughout gases and liquids
Different concentrations are evened out
Explains how smells travel
The smaller the relative molecular mass, the quicker particles diffuse
Mr is relative molecular mass
Changing State
Change state by heating or cooling
This is a physical process
No new chemical substance formed
Solid to Liquid = melting/freezing
Liquid to Gas = boiling/condensing
Solid to Gas = Subliming/Reverse subliming
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