Ch.3

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Author:
kindlyunspoken09
ID:
158906
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Ch.3
Updated:
2012-06-15 15:36:43
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  1. those that can be observed or measured without changing the substance into another substance
    physical properties
  2. does not involve a change in the composition of the substance but is simply a change in physical state or dimensions
    physical change
  3. a substances tendency to undergo chemical changes
    chemical properties
  4. transform one substance into one or more other substances
    chemical changes
  5. the ratio of the mass of a substance to the mass of an equal volume of water under the same conditions
    specific gravity
  6. a non uniform mixture containing two or more phases with definite boundaries or interfaces between the phases
    heterogeneous mixture
  7. one physical state with distinct boundaries and uniform properties
    phase
  8. the same throughout and contains only one pahse
    homogeneous mixture
  9. usually refers to homogeneous mixtures with one liquid phase
    solution
  10. homogeneous mixture of metallic elements existing in one solid phase
    alloy
  11. the capacity or the ability to do work
    energy
  12. when change releases heat
    exothermic
  13. when change absorbs heat
    endothermic
  14. the energy produced from motion
    kinetic energy
  15. energy that is available because of position or composition
    potential energy
  16. defined as the amount of heat required to raise the temperature of 1 gram of a substance 1 degree celsius
    specific heat
  17. the amount of heat energy required to raise the temperature of 1 gram of water from 14.5degrees celsius to 15.5 degrees celsius
    Calorie
  18. specific heat formula
    amount of heat energy (J or Cal)/mass x delta temp.
  19. specific gravity formula
    mass of substance/mass of equal volume of water

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