Properties of Liquids - Properties of Liquids and the Kinetic-Molecular Theory Kinetic-molecular theory theory based on the idea that particles of

Properties of Liquids - Properties of Liquids and the...

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Properties of Liquids and the Kinetic-Molecular Theory - Kinetic-molecular theory – theory based on the idea that particles of matter are always in motion - Particles in liquid – closer together and lower in kinetic energy than those in gas o Attraction forces are stronger and more effective Caused by intermolecular forces and lower mobility - Not bound in fixed positions – move constantly - Referred to as fluid o A substance that can flow and therefore take the shape of its container - Naturally flow downhill due to gravity and flow in opposite directions Relative Incompressibility - Liquids are less compressible than gases = more closely packed together - Liquids transmit pressure equally in all directions o Water compressed by 1000 atm at 20 degrees Celsius, volume decreases by
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Unformatted text preview: 4% o Gas under pressure of 1000 atm = 1/1000 of volume at normal pressure Ability to Diffuse -any liquid gradually diffuses throughout any other liquid in which it can dissolve o diffusion → constant, random motion of particles slower because particles are closely packed attractive forces slow movement temperature of liquid increases → diffusion is faster • kinetic energy and average speed of particles are increased Surface Tension-surface tension – force that tends to pull adjacent parts of a liquid’s surface together, thereby decreasing surface area to the smallest possible size o results from attractive forces of a liquid...
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