## Fundamentals of Chemistry

 Accuracy
 How close the measurement is to the “True Value”
 when is a zero significant?
 *when its betweenother digits*when its to the right of a digit AND to the right of the decimal
 How many sig figs?0.04060
 4
 How many sig figs?0.0078
 2
 How many sig figs?0.078
 2
 Precision
 degree of reproductability/uncertianty of the measurement
 addition & subtraction with sig figs
 count #s to the R of the decimal point- add normally and use the lowest # of sig figs on the left of the decimal ie10.6871+ 1.42 = 12.11
 Multiplication and division with sig figs
 use lowest TOTAL number of sig figs ie2.34*3.225= 7.55
 Kilo
 10_3m (to the third)
 centi
 10_-2
 Milli
 10_-3
 Micro
 10_-6
 nano
 10_-9
 1 inch = ? cm
 2.54
 1 mile =? km
 1.609
 1 kg=? g
 1000
 1 kg=? g
 1000
 1g =?mg
 10_3mg
 1ug=?g
 (ug=micrograms)10_-6g
 1mm=?m
 10_-3m
 1um=?m
 10_-6m
 1nm=?m
 10_-9m
 1mm=? decimeters
 10 decimeters
 100cm =?mm
 1000mm
 1L = ? dm
 1 dm_3
 1mL= ?cm
 1 cm_3
 1cc = ? m
 10_-3 m_3
 what is the freezing and boiling points for celceus?
 freezing- 0boiling- 100
 what is the freezing and boiling points for ferinheight?
 freezing- 32boiling- 212
 conversion factor for celcius to ferinheight
 1/9/5 one over nine fifthsflip to convert to celcius
 0 degrees kelvin =? celcius
 273
 absolute zero
 0 degrees kelvin
 10_3=?
 1000
 10_-3=?
 0.001
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