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CHEM CH1b

  1. on what is the definition of a meter based?
    the speed of light in a vacuum
  2. what is the only SI base unit that contains a metric prefix?
    kilogram. kg
  3. on what is the standard for the kilogram based?
    on a piece of platinum-iridium alloy that is kept at the International Bureau of Weights and Measures.
  4. boiling point of water:
    degrees K
    " "C
    " "F
    • 373.15
    • 100
    • 212
  5. freezing point of water
    degrees...
    K
    C
    F
    • 273.15
    • 0
    • 32
  6. what is the lowest temperature possible?

    called?
    0 degrees K

    absolute zero
  7. 180 F degrees = how many Celsius degrees?

    1 C degree = how many F degrees?
    • 100
    • 9/5
  8. how many degrees different are celcius and kelvin?
    273.15
  9. what is the SI unit of volume?

    what is a more common unit?
    • m3
    • liter, L
  10. 1 mL =
    1 cm3
  11. what is the SI unit of energy?

    what is another common energy unit?
    • joule, J
    • calorie, cal
  12. how many joules is a calorie?
    4.184
  13. what is a dietary calorie?
    1000 cal = 1 Cal = 1 kcal
  14. density relates what to what?
    mass to volume
  15. how are densities of solids and liquids reported?
    • g/cm3
    • g/mL3
  16. How are the dentities of gases reported?
    g/L
  17. because volume changes with temperature, X changes with temperature.
    density
  18. Most density valuse are reported at what standard temperature?
    25 degrees C (room temp)
  19. what is the density of water?
    1.00 g/cm3
  20. When calculations involving measurements are performed, the final calcualtion is not more certain than...
    ..the least certain number in the calculation.
Author
Anonymous
ID
129540
Card Set
CHEM CH1b
Description
CHEM CH1b
Updated

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