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40 True/False questions

  1. absolute temperatureterm for temperature expressed in Kelvin

          

  2. vacuumTrue or False: Air has weight.

          

  3. Blaise Pascalterm for the pressure created when air molecules hit each other and any surface exposed to them

          

  4. absolute pressureterm for the pressure due only to a gas itself

          

  5. Avogadro's Lawlaw that states that at a given temperature and pressure, two gases of the same volume have the same number of molecules

          

  6. Boyles's Lawlaw that states that at constant pressure, the volume of a gas is directly proportional to its absolute temperature

          

  7. Trueunit that represents approximately 6.022 x 10^23 molecules

          

  8. Evangelista TorricelliChristian physicist and philosopher who discovered that there was a lower column of mercury in a barometer at a higher elevation

          

  9. narrower, velocityterm for the pressure created when air molecules hit each other and any surface exposed to them

          

  10. Bernoulli's principleprinciple that states that lateral pressure decreases as the rate of flow increases

          

  11. atmospheric pressureterm for the pressure due only to a gas itself

          

  12. "horror vacui"the ancient scientific principle that states that a vacuum is impossible to create because nature immediately fills any empty space with the nearest matter it can find

          

  13. aneroid barometerpreferred instrument that measures atmospheric pressure using mercury

          

  14. entrainedTrue or False: Air has weight.

          

  15. direct proportiontype of relationship in which one quantity increases and another increases by the same factor

          

  16. gauge pressureterm for the pressure created when air molecules hit each other and any surface exposed to them

          

  17. V1/T1 = V2/T2equation for the combined gas law

          

  18. Archimedes' principleprinciple that states that the weight lost by an object suspended in a fluid equals the weight of the displaced fluid

          

  19. 1.0 atm, 760 mm Hg, 760 torrthe value of the universal gas constant (with units)

          

  20. Add or subtract the gauge pressure from the atmospheric pressure.term for the pressure that will support a mercury column exactly 460 mm tall at 0 degrees C

          

  21. Aristotleterm for any object with surfaces designed to create lift into the air

          

  22. 0.0821 L atm/K moleformula for Charles's Law

          

  23. NoIs the principle of "horror vacui" true?

          

  24. P1V1 = P2V2equation for Boyles's Law

          

  25. P1V1/T1 = P2V2/T2equation for the combined gas law

          

  26. siphonterm for a simple device for transferring liquid from a higher container to a lower container

          

  27. nitrogenterm for a simple device for transferring liquid from a higher container to a lower container

          

  28. inverse proportiontype of relationship in which one quantity increases and another increases by the same factor

          

  29. Charles's Lawlaw that states that at a constant temperature the volume of a gas is inversely proportional to its pressure

          

  30. standard atmospheric pressureterm for the pressure that will support a mercury column exactly 460 mm tall at 0 degrees C

          

  31. pneumatic deviceterm for any device that transports air or that is driven by air pressure

          

  32. mercury barometerpreferred instrument that measures atmospheric pressure using mercury

          

  33. Rletter that represents the universal gas constant

          

  34. manometerunit that represents approximately 6.022 x 10^23 molecules

          

  35. airfoilterm for any object with surfaces designed to create lift into the air

          

  36. fluidsTrue or False: Air has weight.

          

  37. moleTrue or False: Air has weight.

          

  38. PV = nRTformula for the ideal gas law

          

  39. absolute zero (0 K)term for the pressure due only to a gas itself

          

  40. air pressureterm for the difference in height between the columns of an open-ended manometer