05_Chem_CTRAK_Ch01-06 7/12/04 8:22 AM Page 765
Section Review 3.1
Section Review 3.3
Part A Completion
Part A Completion
1.
2.
3.
4.
5.
accuracy
precision
experimental value
error
accepted value
6.
7.
8.
9.
10.
absolute value
100%
scientific notation
known
estimated
Part B True-False
11. ST
12. AT
13. AT
11. NT
12. ST
16. a
17. f
18. d
19. c
Part D Questions and Problems
20. a. 3
c. 2
b. 4
21. a. 4.35 102 mL
c. 2.1 102
b. 8.4 cm3
Section Review 3.2
Part A Completion
1.
2.
3.
4.
5.
metric
seven
meter
liter
weight
6.
7.
8.
9.
10.
gram
Celsius
kelvin
joule/calorie
calorie/joule
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13. AT
14. NT
k
e
m
g
a
20.
21.
22.
23.
24.
l
d
c
h
i
steps
conversion factor
denominator
units
unknown
15. AT
Part C Questions and Problems
1 kg
16. a. 125 g 0.125 kg
1000 g
1.25 101 kg
1000 mL
b. 0.12 L
1.2 102 mL
1
L
1.0 in
2.54 cm
1
m
106
17. 1500 cells
1 in
100 cm
1
m
17 ␮m/cell
186 000 miles
1 s
1.61 km
18. 6 1 s
10 ␮s
1m
ile
2.99 101 km
1␮ s
Section Review 3.4
␮m
Part A Completion
3. composition
Part B True-False
4. ST
Part C Matching
15.
16.
17.
18.
19.
6.
7.
8.
9.
10.
13. AT
14. NT
1. density
2. intensive
Part B True-False
11. NT
12. NT
one (unity)
conversion factor
remains the same
dimensional
analysis
5. known
Part B True-False
Part C Matching
14. b
15. e
1.
2.
3.
4.
25. j
26. f
27. b
Part D Questions and Problems
28. Volume 1.8 cm 8.8 cm 30.5 cm
4.8 102 cm3
29. °C K 273 20 273 253°C
30. a. h; 102
c. m 103
b. k; 103
d. c; 102
5. ST
Part C Questions and Problems
1 cm3
6. 32.1 mL 3.21 cm3
1 mL
mass
127 g
Density 3 3.96 g/cm3
volume
32.1 cm
1000 cm3
7. 1.00 L 1000 cm3
1L
1000 g
1.58 kg 1580 g
k
g
mass
1580 g
Density 3 1.58 g/cm3
volume
1000 cm
Answer Key 765