Untitled - Kelly Walsh High School

12 CHEMISTRY FOR THE UTTERLY CONFUSED
5. True/False. A substance with variable size and variable shape is a liquid.
6. True/False. The abbreviation M refers to milli- (0.001).
7. True/False. The result of the following calculation will have three significant
figures.
3.3 4.2 4.5
8. True/False. According to the Unit Conversion Method, the answer to the
following calculation is 1728 in 3 .
9. If 2.54 centimeters (cm) 1 inch (in) exactly, which of the following will
correctly convert 5.0 in 2 to cm 2 ?
a. (5.0 in 2 )a
2.54 cm2
b 2 1in
c. (5.0 in)2 2.54 cm
a
1in b
2
d. (5.0 in 2 )a
10. If a kilogram (kg) is 1000 grams (g), and a centimeter (cm) is 0.01 meters
(m), which of the following will give the correct result when converting
2.75 g/cm 3 to kg/m 3 .
g kg
a. a2.75 ba1000 ba 3 cm 1g
1cm
0.01 m b
3
2.75 g
c. a cm b
3
a 1kg 1cm3
ba
1000 g 0.01 m3b (1.000 ft3 12 in
)a
1ft b
3
b. (5.0 in2 2.54 cm
)a
1in b
2
2.54 cm
b 2 1in
2.75 g kg
b. a ba1000 ba 3 cm 1g
1cm3
0.01 m3b 2.75 g 1kg 1cm
d. a ba ba 3 cm 1000 g 0.01 m b
3
11. Using the relationships given in this chapter, convert 15.2 in to centimeters.
12. Using the relationships given in this chapter, convert 15.2 cm to inches.
13. Convert 2.5 ft 3 to in 3 .
14. If 1 lb equals 453.59 g, how many grams are in 2.53 lb?
15. How many quarts of liquid are in a 2.0 L soft drink bottle? (1.057 qt 1 L)
16. How many milliliters of milk are in 1.00 qt of milk?
17. Using the conversion from question 14, calculate the number of kilograms
in 2.205 lb.
18. How many square centimeters are in 4.00 square yards? (Use 30.48 cm 1 ft)