Chemistry Study Guide Flashcards
Dimensional Analysis
Converting by cancelling out
King
Kilo (k)
Henry
Hecta (h)
Died
Deca (da)
Base Unit
equal to 1
Drinking
Deci (d)
Chocolate
Centi (c)
Milk
Milli (m)
Value
Kilo
(K) 1 x 10^3 1,000
Hecta
(h) 1 x 10^2 100
Deca
(da) 1 x 10^1 10
Deci
(d) 1 x 10^-1 0.1
Centi
(c) 1 x 10^-2 0.01
Milli
(m) 1 x 10^-3 0.001
SI Unit
Standard International Unit
Length
Meters(m)
Time
Seconds (sec)
Temperature
Kelvin (K)
Amount of Substance
Mol
Mass
Kilograms (kg)
Derived Units
Combination of Units
Density =
Mass /Volume ~> g/cm^3
Volume=
l x w x h
Speed
mph - m/sec
% error
|True - Experimental|
____________________ x 100
True
Qualitative Data
Description Based, no numbers All description and outcome.
Accuracy
How close your measurement is to true or accepted value.
Quantitative Data
Quality / number of
Precision
How close a group of data is to each other.
Scientific Notation
Move decimal right to make number larger, move decimal left to make number smaller.