Chemistry 1210

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Author:
skippertje
ID:
6204
Filename:
Chemistry 1210
Updated:
2010-02-06 16:02:50
Tags:
Chemistry
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Description:
Chem notes
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  1. What is 15 degrees Celsius in Kelvin?
    15 + 273.15 = 288.15 K
  2. Si unit of mass?
    kg
  3. Si unit of length?
    m
  4. Si unit of time?
    s, sec
  5. Si unit of Temp?
    Kelvin
  6. Si unit of Electric Current?
    Amperere (A)
  7. Si unit of Luminous Intensity?
    Candela (cd)
  8. Si unit for amount of substance?
    mole (mol)
  9. Avagadro's number?
    1 mole = 6.02 * 1023
  10. Combination reactions:
    A + B = C

    ex: Mg2+ (s) + O22- (g) ---> 2MgO (s)
  11. Decomposition Reactions:
    C ---> A + B

    ex: 2NaN3 (s) ---> 2Na (s) + 3N2 (g)
  12. Mass % Compostion =
    ( # Atoms of element)(Atomic Weight) / Formula Weight of compound x 100
  13. The mass of exactly 1 mole of C-12 atoms is
    exactly 12 grams

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