Ch13_1a - CHAPTER 13 Properties of Mixtures: (Solutions...

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CHAPTER 13 Properties Properties of of Mixtures: Mixtures: (Solutions & Colloids)
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Definitions Definitions Solution - A one phase (homogeneous) mixture; its components do not separate on standing. (Components are small molecules or individual atoms or ions) Colloid - Mixture with two or more phases (homo/heterogeneous) in which one component is spread as very fine ptcles throughout another. Components do not separate on standing. Components (macromolecules or lots of small molecules together) are larger than those in solutions. Some examples are smoke (solid in gas), butter (liq in solid), metal alloys (solid in solid), etc.)
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SOLUTIONS SOLUTIONS
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Solvent + Solute = Solution Solvent + Solute = Solution (larger amount) (lesser amt)
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Solutions may be Gases, Liquids Solutions may be Gases, Liquids or Solids or Solids Solution phase Solvent phase Solute phase Examples Gas Gas Gas Air Liquid Liquid Liquid Alcohol in water Solid Solid Solid Brass (Cu & Zn); Solder (Sn & Pb)
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Solutions Solutions Major factor which determines whether a solution forms is the relative strength of the intermolecular forces (IMFs) within and . Six major types of IMFs : (I) Ion-dipole, (II) Hydrogen bonding, (III) Dipole-dipole, (IV) Ion-induced dipole, (V) Dipole-induced dipole, (VI) Dispersion
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Six major types of IMFs listed in decreasing order of strength
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us know if one substance will dissolve in another substance ? Yes, there is.
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Ch13_1a - CHAPTER 13 Properties of Mixtures: (Solutions...

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