Chemistry Final

  1. What is Scientific Notation?
    • *Is used for numbers that are very big or very small.
    • ~It is based on powers of the base of 10


    • EX: 70000000
    • 7.0
    • 7.0x107
  2. Significant Figures
    • ~Digits other than zeros are significant:
    • EX: 1293;456;93

    • ~Zeros between 2 other significant digits are significant:
    • EX: 6007;708;56703

    • ~One or more zeros after a decimal point and after a #are significant:
    • EX: 3.000;.00006;.000800;9.0003000

    • ~Zeros used to space the decimal point are not significant
    • EX: .0008;8000;.0008
  3. What is density?
    • =mass divided by volume
    • :A derived unit
  4. How do you convert from Kelvin to Celsius?
    K=C+272
  5. How to convert from Celsius to Kelvin?
    C=K-273
Author
Anonymous
ID
1723
Card Set
Chemistry Final
Description
Chapter 2
Updated