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unit 3 chem107

  1. what happens to motion at 0 kelvin?
    all motion stops
  2. pressure =?
    force/area
  3. device used to measure atmospheric pressure
    barometer
  4. STP =
    0 degrees C
  5. the force per unit area on a surface
    pressure
  6. convert Celsius to kelvin?
    C+273
  7. boyles law?
    pressure and volume
  8. Charles law?
    volume and temperature
  9. gay lussacs law?
    pressure and temperature
  10. combined gas law?
    pressure, volume and temperature
  11. formula for gas laws?
    P1V1/T1 = P2V2/T2
  12. the pressure of each gas in a mixture is called?
    the partial pressure of gas
  13. daltons law of partial pressure?
    P(T) = P1 +P2 + P3 +P4 +....
  14. what does daltons law of partial pressure state?
    that the total pressure of a mixture of gases is equal to the sum of the partial pressures of the component gases
  15. volume directly proportional to the number of gas molecules
    avogadros law
  16. avogadros law?
    v1/n1 = v2/n2
  17. n is calculated in?
    moles
  18. ideal gas law formula?
    PV=nRT
  19. P?
    pressure (atm)
  20. V?
    volume (L)
  21. n?
    moles
  22. R?
    ideal gas law constant- depends on the units used like pressure, volume, etc
  23. T?
    temperature in kelvins
  24. R number?
    R= .0821atmL/mol K
  25. the volume occupied by one mole of a gas at STP is known as?
    standard molar volume
  26. STP?
    22,4L/1 mol
  27. 3 situations of STP?
    • 1 atm
    • O degrees C (273K)
    • 1mol/22.4L
  28. density?
    molar mass (g) / 22.4L
  29. the ratio of mass to volume?
    density
  30. ideal gas laws?
    • no attractions between gas molecules
    • gas molecules do not take up space
  31. liquids are practically ____
    incompressible
  32. a measure of a liquid's resistance to flow
    viscosity
  33. ___ decreases with increased temperature
    viscosity
  34. a measure of the attractive forces exerted among molecules at the surface of a liquid
    surface tension
  35. surface tension results in?
    beading
  36. substance added which decreases the surface tension
    surfactant
  37. ex of a surfactant?
    soap
  38. liquid molecules are in continuous motion, with their average kinetic energy directly proportional to the kelvin temperature
    kinetic theory
  39. STOPPED AT TEMP DEPENDENCE OF LIQUID VAPOR PRESSURE
Author
melissag94
ID
265844
Card Set
unit 3 chem107
Description
chem107 powerpoint notes chapter 5 unit 3
Updated

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