PHA 327 - Exam 2 - Disperse Systems 1

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kyleannkelsey
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214929
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PHA 327 - Exam 2 - Disperse Systems 1
Updated:
2013-04-21 21:11:11
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PHA 327 Exam Disperse Systems
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PHA 327 - Exam 2 - Disperse Systems 1
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  1. What is a dyne?
    A unit of force equal to (g x cm)/sec2
  2. What unit of force is equal to (g x cm)/sec2?
    Dyne
  3. What is a poise?
    g/(cm x sec)
  4. What unit of measure is equal to g/(cm x sec)?
    Poise
  5. What does η stand for?
    Viscosity
  6. What is the equation for kinematic viscosity?
    Kinematic viscosity = n/p
  7. What are the units of kinematic viscocity?
    Stoke (s)
  8. What is the equation for fluidity?
    Fluidity =1/n
  9. Fluidity is inversely proportional to what?
    Viscosity
  10. Viscosity is inversely proportional to what?
    Fluidity
  11. Give the equation that describes the effect of temperature on viscosity?
    • A = a constant
    • Ev= activation energy required to initiate flow
    • R = gas constant
    • T = absolute temperature
  12. What equation describes Newtonian liquids?
  13. What is the equation for Rate of shear?
    • Rate of Shear = dv/dr
  14. What does Rheo mean?
    Flow
  15. What is another designation for flow?
    Rheo
  16. What is another designation for science?
    Logos
  17. What does logos mean?
    Science
  18. What substances flow?
    Liquids and gels (partial flow)
  19. What is the equation for shearing stress?
    Shearing stress = F/A
  20. What is Einstein’s equation for colloidal particle flow?
    • Rate of Shear = dv/dr
  21. What is Einstein’s equation for colloidal particle flow?

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