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

    1. 1. HOMEWORK: Methods of Separating Mixtures<br /> First: Read Chapter 3 sections 3 and 4 (Mixtures of Matter and Elements and Compounds). <br />Second: Read this file.<br />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. <br />DUE DATE: Wednesday 24th, 2011<br />
    2. 2. METHODS OF SEPARATING MIXTURES<br />August 21st, 2011<br />
    3. 3. Methods of separating mixtures <br />Filtration<br />Decantation<br />Distillation<br />Paper chromatography<br />Centrifugation<br />Magnetization<br />
    4. 4. Separates a solid from a fluid (liquid or gas)<br />Uses a porous barrier: filter paper<br />Use gravity or gravity enhanced by a vacuum. <br />Filtration<br />
    5. 5. Used to separate immiscible liquids<br />Done by carefully pouring one of the solutions into another container<br />Used to separate insoluble solids<br />Decantation<br />
    6. 6. Mostly used for homogeneous mixtures<br />Separates substances by their boiling points<br />Condense the gas into a liquid and collect<br />Distillation<br />
    7. 7. Composed of a mobile phase and a stationary phase<br />Mobile phase: usually a gas or a liquid that travels through the stationary phase<br />Stationary phase: chromatography paper<br />Paper Chromatography<br />
    8. 8. Uses the centrifugal force in order to sediment compounds in a mixture.<br />Centrifugation<br />

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