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Review Problems Ch 5

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Review Problems Ch 5. 1,340 is the same as. 1.340 x 10-3. 1.340 x 103. 1,340,000. 0.00134 ... How many nanoseconds are in a second? 1 x 10 6. 1 x 10 8. 1 x 10 ... – PowerPoint PPT presentation

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Title: Review Problems Ch 5


1
Review Problems Ch 5
2
1,340 is the same as
  • 1.340 x 10-3
  • 1.340 x 103
  • 1,340,000
  • 0.00134

3
0.000560 is the same as
  • 5.60 x 103
  • 5.60 x 10-3
  • 5.60 x 10-4
  • 5.60 x 104

4
245 is the same as
  • 2.45 x 10-2
  • 2.45 x 102
  • 0.245
  • 23.5 x 102

5
16.78 x 103 is the same as
  • 1.678 x 102
  • 1.678 x 10-2
  • 1.678 x 104
  • 1.678 x 10-4

6
0.024 x 102 is the same as
  • 0.00024
  • 0.24 x 103
  • 2.4 x 10-2
  • 2.4

7
How many deciliters are in a liter?
  • 1/10
  • 10
  • 1/100
  • 100

8
How many nanoseconds are in a second?
  • 1 x 10 6
  • 1 x 10 8
  • 1 x 10 -8
  • 1 x 10 -9
  • 1 x 10 9

9
The prefix milli means
  • 1/100
  • 1/1000
  • 1/1,000,000
  • 100
  • 1000

10
20 Mm is
  • 20,000,000m
  • 2.0 x 10-6 m
  • 2 x 101 m
  • 1/20,000,000 m

11
5 micrometers is __ m
  • 5/1,000,000
  • 5,000,000
  • 5 x 10-9
  • 5 x 10-12

12
How many significant figures are in 234.500
  • 4
  • 3
  • 6
  • 2

13
How many significant figures are in 0.003450
  • 2
  • 3
  • 4
  • 6

14
32.22 cm 1.0 cm
  • 33.22 cm
  • 33.2 cm
  • 33 cm

15
2.568 g - 0.19g
  • 2.3
  • 2.37
  • 2.38
  • 2.378

16
20.3 mL 1.0005 g
  • 20.3
  • 20.31
  • 20.310
  • 20.31015

17
(16 g-1.04 g)/4.56 g
  • 3.2807
  • 3.281
  • 3.28
  • 3.3

18
75 miles ? km
  • 18.7 km
  • 19 km
  • 4.3 x 10-6
  • 120 km
  • 121 km

19
10 mL ? pL
  • 1 x 1010
  • 1 x 10-8
  • 1x10-14
  • 1 x 107

20
14.6 kg ? ng
  • 1.46 x 1013
  • 1.46 x 10-5
  • 1.46 x 10-6
  • 1.46 x 10-11

21
23o C ? o F
  • 31
  • 45
  • 73
  • 95

22
17o F ? o C
  • 8.3
  • -8.3
  • 63
  • 24

23
125 K ? o C
  • -148
  • 248
  • 257
  • 52

24
What is the density of a rock whose mass is 2.3
kg and whose volume is 460 mL?
  • 12 g/mL
  • 200 g/mL
  • 5.0 g/mL
  • 5.0 x 10-3 g/mL

25
What is the mass of 12 mL of mercury whose
density is 13.6 g/mL?
  • 163.2 g
  • 163 g
  • 160 g
  • None of the above

26
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