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Solids, Liquids, and Gases

Solids, Liquids, and Gases.  freezing melting . boiling condensing .  deposition sublimation . High density Definite shape and volume Amorphous or Crystalline depending on structure. High Density Indefinite shape, definite volume Particles move around

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Solids, Liquids, and Gases

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  1. Solids, Liquids, and Gases  freezing melting  boiling condensing  deposition sublimation 

  2. High density Definite shape and volume Amorphous or Crystalline depending on structure High Density Indefinite shape, definite volume Particles move around Evaporate to create vapor pressure Solids Liquids

  3. Gases • Low density • Indefinite shape and volume • Particles move around • Diffuse & Effuse

  4. Gas Laws • Charles: Volume is directly related to Kelvin temperature

  5. Gas Laws • Boyles: Volume is inversely related to pressure

  6. Gas Laws • Combined: P1V1 = P2V2 T1 T2 • T must be in Kelvin (C + 273 = K) • Cross out variable as needed

  7. Ideal Gas Law • Real gases are ideal • Except: high P and low T • PV = nRT • How many moles of gas are in a 5.0 L flask at 25 ºC and 3.0 atm? • R = 0.0821 L atm / mol K

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