chapter 3

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Anonymous
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38846
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chapter 3
Updated:
2010-09-30 21:56:24
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chemistry
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chapter 3 chem
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  1. the zero point on the Kelvin temp scale, equivalent to -273.15 C
    absolute zero
  2. quantity used by general agreement of the scientific community
    acepted value
  3. closeness of a measurement to the true value of what is being measured
    accuracy
  4. quantity of heat needed to raise the temp of 1 C of pure water
    calorie
  5. temp scale on which the freezing point of water is 0C and boiling is 100C
    Celcius scale
  6. ratio of equivalent measurements used to convert a quantity from one unit to another
    conversion factor
  7. ratio of the mass of an object to its volume
    density
  8. tech of a problem solving that uses the units that are part of a measurement to help solve the problem
    dimensional analysis
  9. capacity for doing work or producing heat
    energy
  10. diff between the sccepted value and the experimental value
    error
  11. quantitive value is used to test the hypothesis
    experimental value
  12. metric mass unit equal to the mass of lcm3 of water @ 4 C
    gram
  13. revised version of the metric system adopted by international agreement in 1960
    iternational system of units
  14. the SI unit of energy
    joule
  15. temp scale in which the freezing point of water is 273K and boiling point is 373K
    Kelvin scale
  16. mass of 1L of water @ 4C
    kilogram
  17. volume of a cube measuring 10 cm on each edge (1000 cm3)
    liter
  18. quantity desciption that includes both a # and unit
    measurement
  19. base unit of length in SI
    meter
  20. percent that a measured value
    percent error
  21. describes the closeness or reproductively of a set of measurements taken under the same conditions
    precision
  22. expression of #s in the form mx10n where m is equal to or greater than 1 and less than 10 and n is an integer
    scientific notation
  23. all the digits that can be known precisely in a measurement, plus a last estimated digit
    significant figures
  24. measure of the average kinetic energy of particles in matter
    temperate
  25. force that measures the pull of gravity on a given mass
    weight

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