Chemistry test

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Author:
anitaebrahimi
ID:
284982
Filename:
Chemistry test
Updated:
2014-10-06 01:49:02
Tags:
Chemistry
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Description:
Chemistry
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  1. physical properties of
    Extensive
    Intensive
    • extensive: (usually has to do with measuring) depends on the amount of matter present
    • Intensive: does not depend on the amount of matter present
  2. intramolecular bonding
    and intermolecular bonding
    • intra- in the molecule
    • inter- between
  3. solids liquids gas-

    compressibility
    shape
    volume
    density
    freedom of motion
    expansion
    force strength
    rates of diffusion
    • compressibility: not compressible mostly not compressible easily compressed
    • shape: definite takes shape of container takes shape of container
    • volume: definite definite takes volume of container
    • density: high density medium-high density(less than solid except for water) Low density
    • freedom¬†of motion: Very restricted limited freedom of motion free to move
    • expansion: does not expand much with temp increase expands slightly with temp increase Highly expansive with temp increase
    • force strength:¬†strong IMF's fewer and Weaker IMF's No IMF's
    • rates of diffusion: SLOW Easily Easily and quickly
  4. liquid to vapor
    vaporization
  5. vapor to liquid
    condensation
  6. solid to liquid
    melting
  7. liquid to solid
    freezing
  8. solid changing directly to vapor
    sublimation
  9. vapor changing into solid
    deposition
  10. changing from a liquid to gas below the boiling point
    evaporation
  11. Exothermic reactions: (3 types)
    • condensation
    • freezing
    • deposition
  12. Endothermic reactions: (3 types)
    • sublimation
    • vaporization
    • melting
  13. high pressure means
    IMF's are strong and temp is low
  14. Low pressure
    IMF's are weak, temp is high

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