CHEM 121 FINAL EXAM | UPDATED QUESTIONS AND ANSWERS UPDATED .Buy Quality Materials!
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Course
CHEM 121
Institution
CHEM 121
CHEM 121 FINAL EXAM | UPDATED QUESTIONS AND ANSWERS UPDATED .Buy Quality Materials!
Giga (G)
9
Mega (M)
6
Kilo (k)
3
Deci (d)
-1
Centi (c)
-2
Milli (m)
-3
Micro (u)
-6
Nano (n)
-9
Pico (p)
-12
Femto (f)
-15
Density Equation
D=M/V
C
Carbon
F
Fluorine
H
Hydrogen
I
Io...
CHEM 121 FINAL EXAM | UPDATED QUESTIONS AND
ANSWERS UPDATED .Buy Quality Materials!
Giga (G)
9
Mega (M)
6
Kilo (k)
3
Deci (d)
-1
Centi (c)
-2
Milli (m)
-3
Micro (u)
-6
Nano (n)
-9
Pico (p)
-12
Femto (f)
-15
Density Equation
D=M/V
C
Carbon
F
Fluorine
H
Hydrogen
I
Iodine
N
Nitrogen
O
Oxygen
P
Phosphorous
S
Sulfur
Al
Aluminum
Br
, Bromine
Ca
Calcium
Cl
Chlorine
He
Helium
Li
Lithium
Mg
Magnesium
Si
Silicon
Cu
Copper
Fe
Iron
Pb
Lead
Hg
Mercury
K
Potassium
Ag
Silver
Na
Sodium
Sn
Tin
Derived Units
Combination of (SI) base units
Average Speed
S=Distance/Time
KNOW
1mL=1cm^3
Dimensional Analysis
Use of conversion factors
-Units are multiplied, divided, and canceled just like algebra
-Conversion factors change from one unit to another
10.5 cm =0.105 m
Suppose that you measure a pen to be 10.5 cm long. Convert this to meters.
1.50 m^2 =1.50×10−12 m^2
Suppose that, from measurements in a microscope, you determine that a certain
bacterium covers an area of 1.50 m^2. Convert this to square meters
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