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Fundamentals of Chemistry
Quiz #!
34
Chemistry
09/13/2007
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Term
Accuracy
 Definition
How close the measurement is to the "True Value"
Term
when is a zero significant?
 Definition
*when its betweenother digits
*when its to the right of a digit AND to the right of the decimal
Term
How many sig figs?
0.04060
 Definition
4
Term
How many sig figs?
0.0078
 Definition
2
Term
How many sig figs?
0.078
 Definition
2
Term
Precision
 Definition
degree of reproductability/uncertianty of the measurement
Term
addition & subtraction with sig figs
 Definition
count #s to the R of the decimal point- add normally and use the lowest # of sig figs on the left of the decimal ie
10.6871+ 1.42 = 12.11
Term
Multiplication and division with sig figs
 Definition
use lowest TOTAL number of sig figs ie
2.34*3.225= 7.55
Term
Kilo
 Definition
10_3m (to the third)
Term
centi
 Definition
10_-2
Term
Milli
 Definition
10_-3
Term
Micro
 Definition
10_-6
Term
nano
 Definition
10_-9
Term
1 inch = ? cm
 Definition
2.54
Term
1 mile =? km
 Definition
1.609
Term
1 kg=? g
 Definition
1000
Term
1 kg=? g
 Definition
1000
Term
1g =?mg
 Definition
10_3mg
Term
1ug=?g
 Definition
(ug=micrograms)
10_-6g
Term
1mm=?m
 Definition
10_-3m
Term
1um=?m
 Definition
10_-6m
Term
1nm=?m
 Definition
10_-9m
Term
1mm=? decimeters
 Definition
10 decimeters
Term
100cm =?mm
 Definition
1000mm
Term
1L = ? dm
 Definition
1 dm_3
Term
1mL= ?cm
 Definition
1 cm_3
Term
1cc = ? m
 Definition
10_-3 m_3
Term
what is the freezing and boiling points for celceus?
 Definition
freezing- 0
boiling- 100
Term
what is the freezing and boiling points for ferinheight?
 Definition
freezing- 32
boiling- 212
Term
conversion factor for celcius to ferinheight
 Definition
1/9/5 one over nine fifths
flip to convert to celcius
Term
0 degrees kelvin =? celcius
 Definition
273
Term
absolute zero
 Definition
0 degrees kelvin
Term
10_3=?
 Definition
1000
Term
10_-3=?
 Definition
0.001