1. Happy MOLE Day!! (1023) Reading: STUDY FOR PROFICIENCY QUIZ
Chapter 2 sections 8, 9, 10
STUDY FOR PROFICIENCY QUIZ
Print out and BRING TO CLASS
Conversion Sheet
In class problems

2. Metric Conversions Convert 589100 mm to km mm  m  km 1 mm = 1x10-6 m
1 km = 1x103 m

3. Conversions Between Systems of Measure (English to Metric and Metric to English)
Work the same way as metric to metric conversions… mostly
Sig. Figs.
These conversions are NOT defined, so they limit sig. figs. (other than the number “1”)
Except inches to cm (1 in = 2.54 cm)
Examples
1 gallon = L, 1 kg = 2.20 lb, 1 mile = km

4. Conversions Convert 781505 gallons to liters 1 gallon = 3.785 L 
 2.958x106 L
 x106 L
 x106 L

5. Conversions The density of mercury is 1 mL = 13.55 g. Convert
g of mercury to mL of mercury.
 mL
 mL
 mL

6. What quality is measured by…?kg
mass oC
temperature cm
length/distance
cm3
volume mL
volume
ft2
area

7. (2.54 cm)2 = (1 in)2 16.00 in2 103.2 cm2 length x width = Area
1 in x 1 in = Area
1 in
2.54 cm
(1 in)2 = Area
2.54 cm x 2.54 cm = Area
(2.54 cm)2 = Area
(2.54 cm)2 = (1 in)2
16.00 in2
103.2 cm2