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Homework 3
 

Homework 3

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  • Liquid passes through leaving the solid behindRemove air pollutionWaste treatment
  • liquid zinc and liquid silver are immiscible in liquid
  • DISTILLED WATERDISTILLED BEVERAGES: higher alcohol concentration low boiling point
  • Travel at different speedsFor testing purity of compoundsIt has the ability to separate, identify, and quantitate the compounds that are present in any sample that can be dissolved in a liquid

Homework 3 Homework 3 Presentation Transcript

  • HOMEWORK: Methods of Separating Mixtures
     First: Read Chapter 3 sections 3 and 4 (Mixtures of Matter and Elements and Compounds).
    Second: Read this file.
    Third: Exemplify the use of methods of separating mixtures in: recycling processes, purification of water, air and solids. Before writing your examples, do research and cite your sources.
    DUE DATE: Wednesday 24th, 2011
  • METHODS OF SEPARATING MIXTURES
    August 21st, 2011
  • Methods of separating mixtures
    Filtration
    Decantation
    Distillation
    Paper chromatography
    Centrifugation
    Magnetization
  • Separates a solid from a fluid (liquid or gas)
    Uses a porous barrier: filter paper
    Use gravity or gravity enhanced by a vacuum.
    Filtration
  • Used to separate immiscible liquids
    Done by carefully pouring one of the solutions into another container
    Used to separate insoluble solids
    Decantation
  • Mostly used for homogeneous mixtures
    Separates substances by their boiling points
    Condense the gas into a liquid and collect
    Distillation
  • Composed of a mobile phase and a stationary phase
    Mobile phase: usually a gas or a liquid that travels through the stationary phase
    Stationary phase: chromatography paper
    Paper Chromatography
  • Uses the centrifugal force in order to sediment compounds in a mixture.
    Centrifugation