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LiquidsLiquids10.2
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LiquidsLiquidsFun Fact - Least common type of matter!
Definite volume; no definite shapeHow do you think the particles behave?
Fluid – substance that can flow and take the shape of it’s container
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PropertiesPropertiesRelatively high density – most substances are more dense as a liquid than a gas – slightly less dense in liquid state than as in a solid
Relative incompressible Ability to diffuse – slower than in gases, but the higher the temp, the faster the diffusion
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PropertiesPropertiesSurface Tension – a force that tends to pull adjacent parts of a liquid’s surface together, thus decreasing the surface area to the smallest possible size.
The ___________ the attractive force, the higher the surface tension.
Water – surface tension is or ?
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PropertiesPropertiesCapillary action – the attraction of the surface of a liquid to the surface of a solid.
Water in a tube continues to rise until attractive forces of particles to the wall are balanced by weight of liquid
Where do you see this in lab?
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PropertiesPropertiesVaporization –a liquid or solid changes to the gas phase. Ex:perfume
Evaporation–particles escape from the surface of a non boiling liquid and enter the gas state Ex: sweat
Liquid particles have diff. kinetic E’s ; the higher ones can escape liquid surface and enter gas phase
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PropertiesProperties
Formation of Solids How does a liquid form a solid?
It Freezes – the physical change of a liquid to a solid by removal of energy as heat is called freezing or solidification.