chapter 6

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Author:
3rikita
ID:
275710
Filename:
chapter 6
Updated:
2014-05-31 01:21:45
Tags:
physics
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Description:
Egans book
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  1. what are the properties of solids
    • fixed shape
    • fixed volume 
    • high degree internal order
    • CANNOT be compressed
  2. what are properties of liquids
    • fixed volume 
    • adapt to shape of container 
    • dense and CANNOT be compressed
    • FLUID
  3. what are properties of gas
    • no inherent boundaries 
    • easily compressed 
    • easily expanded
    • FLUID
  4. define conduction
    transfer of heat by direct contact
  5. define convection
    • heat transfer in liquids.
    • done by mixing two liquids 
    • Fluid movements carrying heat energy are called convection currents
  6. define radiation
    heat transfer without direct contact 

    USED TO KEEP NEWBORN INFANTS WARM
  7. evaporation
    heat taken from the air...cooling air
  8. condensation
    • gas turn into liquid
    • gives heat back to surroundings...warming air
  9. entropy
    amount of energy in a system unable to do work
  10. enthalpy
    total measure of energy in the system
  11. F > C
    5/9 x (F-32)
  12. C > F
    (9/5 * 100) + 32
  13. P=
    H x Dw

  14. Pascals principle
    pressure of a liquid acts equally in all directions
  15. what is Archimedes principle
    bouyant force must equal the weight of the fluid displaced by an object
  16. when is archemedes principle used clinically
    SG in UA copared to water 

    gases can also be measured  reference to o2 or hydrogen
  17. cohesive will create what kind of meniscus
    concave
  18. adhesive will create what kind of meniscus
    concave
  19. what is surface tension
    cohesive forces that help droplets stay together
  20. what is the relationship between water and temperature?
    they are inversely proportional
  21. Laplaces law
    pressure varies directly with surface tension and inversely with its radius

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