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Chemistry Final
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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
7.0x10
^{7}
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
What is density?
=mass divided by volume
:A derived unit
How do you convert from Kelvin to Celsius?
K=C+272
How to convert from Celsius to Kelvin?
C=K-273
Author
Anonymous
ID
1723
Card Set
Chemistry Final
Description
Chapter 2
Updated
2009-11-26T18:20:46Z
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