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Unformatted text preview: e kg/m 3 frequency cycles/time s-1 hertz (Hz) acceleration velocity/tim e m/s 2 mass acceleration kg m/s 2 Newton (N) force distance kg m 2 /s 2 Joule (J) Prefixes are used to adjust the size of base units Commonly used SI prefixes (there are others Meaning Abbreviati on Exponenti al Notation billion G 10 9 million M 10 6 thousand k 10 3 hundredths of c 10-2 thousandth s of m 10-3 millionths of 10-6 billionths of n 10-9 trillionths of p 10-12 several non-SI units are encountered in chemistry Unit type SI conversion Notes volume 1 L = 1000 cm 3 1 quart = 0.946 L Angstrom length 1 = 10-10 m typical radius of an atom mass unit mass 1 u = 1.6605410-27 kg about the mass of a proton or neutron; also known as a 'dalton' or 'amu'...
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- Fall '10