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Chapter 1 Homework
1.
Express these numbers in scientific notation. (Include units)
a.
1500m
b.
.0000000000958m (distance between the H and the O in water
molecules)
c.
.0000075m (diameter of a red blood cell)
d.
150,000mg (amount of CO breathed daily)
2.
Express the following numbers in standard (nonscientific) notation.
a.
8.5 x 10
4
c.
5.0 x 10
3
b.
1.0 x 10
7
d.
1 x 10
5
3.
Using the conversions provided in the
Metric System, Conversion Factors
and Dimensional Analysis
handout, convert the following quantities to the
requested units.
a.
Express the volume 567,000 mL (milliliters) in kL (kiloliters)
b.
Express 45 oz. in mg (milligrams)
c.
Express 60 gallons in daL (decaliters)
4.
What are the six criteria air pollutants for which the EPA sets permissible
limits?
5.
These gases are found in the troposphere: Rn
CO
2
CO
O
2
Ar
N
2
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Which, if any, of these are considered criteria air pollutants?
b.
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 Winter '11
 HENSHAW
 Mole

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