Chapter 1 2 what is the temperature in degrees celsius

26) The factor 10-3 corresponds to which prefix?

A) deka

B) deci

C) milli

D) centi

27) What decimal power does the abbreviation f represent?

A) 1 × 106

B) 1 × 103

C) 1 × 10-1

D) 1 × 10-15

E) 1 × 10-12

28) What decimal power does the abbreviation pico represent?

A) 1 × 106

B) 1 × 109

C) 1 × 10-1

D) 1 × 10-12

E) 1 × 10-15

29) Which of the following are examples of intensive properties?

A) density

B) volume

C) mass

D) None of the above are examples of intensive properties.

E) All of the above are examples of intensive properties.

30) Which of the following are examples of extensive properties?

A) mass

B) color

C) density

D) temperature

E) odor

31) Identify the common substance that has the highest density.

A) sugar

B) ice

C) glass

D) mercury

E) aluminum

32) Identify the common substance that has the lowest density.

A) ethanol

B) aluminum

C) titanium

D) table salt

E) sugar

33) What is the volume (in cm3) of a 43.6 g piece of metal with a density of 2.71 g/cm3?

A) 16.1

B) 19.5

C) .425

D) 6.65

E) none of the above

34) A piece of metal ore weighs 8.25 g. When a student places it into a graduated cylinder containing

water, the liquid level rises from 21.25 mL to 26.47 mL. What is the density of the ore?

A) 0.312 g/mL

B) 0.633 g/mL

C) 1.58 g/mL

D) 3.21 g/mL

35) A mass of mercury occupies 0.950 L. What volume would an equal mass of ethanol occupy? The

density of mercury is 13.546 g/mL and the density of ethanol is 0.789 g/mL.

A) 0.0553 L

B) 0.0613 L

C) 16.3 L

D) 18.1 L

36) If the melting point of vanadium metal is 1910°C, what is its melting point in Kelvin?

A) 1029 K

B) 1637 K

C) 2183 K

D) 3470 K

37) If the temperature is 128°F, what is the temperature in degrees celsius?

A) 262.4°C

B) 401°C

C) 53.3°C

D) -145°C

E) 328°C

38) If a solution has a temperature of 255 K, what is its temperature in degrees celsius?

A) 491°C

B) 528°C

C) 123.9°C

D) 355°C

E) -18°C

39) Determine the mass of an object that has a volume of 88.6 mL and a density of 9.77 g/mL.

A) 98.37 g

B) 0.110 g

C) 9.07 g

D) 78.8 g

E) 866 g

40) The outside air temperature is 40°F, what is the temperature in Kelvin?

A) 313 K

B) 377 K

C) 281 K

D) 277 K

41) The outside temperature is 55°C, what is the temperature in °F?

A) 131°F

B) 12.8°F

C) 23°F

D) 77°F

E) 99°F

42) Which of the following is the lowest temperature?

A) 42°C

B) 57°F

C) 318 K

D) All of these temperatures are all equal.

43) How many significant figures are in the measurement 5.34 g?

A) 1

B) 2

C) 4

D) 3

E) 5

44) How many significant figures are in 0.00523980 mL?

A) 3

B) 4

C) 5

D) 6

E) 7

45) How many significant figures are in 3.876 x 104 m?

A) 3

B) 4

C) 5

D) 7

E) 8

46) How many significant figures are in the measurement, 463.090 m?

A) 2

B) 3

C) 4

D) 5

E) 6

47) How many significant figures are in the measurement, 0.005890 g?

A) 4

B) 5

C) 6

D) 7

E) 8

48) The correct answer (reported to the proper number of significant figures) to the following is

________.

11.5 × 8.78 = ________

49) Round the following number to four significant figures and express the result in standard

exponential notation: 0.00222755

A) 0.2228 × 10-2

B) 0.002228

C) 2.228 × 103

D) 2.228 × 10-3

E) 22.28 × 102

50) Which of the following numbers has the greatest number of significant figures?

A) 0.5070

B) 0.201

C) 418000

D) 6.02 × 1024

51) How many of the following numbers contain 3 significant figures?

0.408 9.040 0.0400 9.05 × 1024

A) one

B) two

C) three

D) four

52) How many significant figures are there in the answer to the following problem?

(9.992 × 3.200) + 0.610 = ?

A) one

B) two

C) three

D) four

53) How many significant figures are there in the answer for the following problem?

56.4 + 0.8822 + 21 = ?

A) one

B) two

C) three

D) four

54) How many significant figures are there in the answer for the following problem?

= ?

A) one

B) two

C) three

D) four

55) An acetylene molecule contains 2 atoms of carbon. The number 2 represents how many significant

figures?

A) one

B) two

C) three

D) infinite

56) Round off 00907506 to four significant figures.

A) 0091

B) 9076

C) 9100

D) 9.075 × 105

57) The width, length, and height of a large, custom-made shipping crate are 1.22 m, 3.22 m, and 0.83

m, respectively. The volume of the box using the correct number of significant figures is ________ m3.

A) 3.26057

B) 3.3

C) 3.26

D) 3.261

E) 3.2606

58) The correct answer (reported to the proper number of significant figures) to the following is

________.

(1815 – 1806) × (9.11 × 7.92) = ________

59) Without using a calculator, solve the following problem:

A) 1 × 10-4

B) 1 × 105

C) 1 × 1023

D) 1 × 1032

60) Without using a calculator, solve the following problem:

A) 1 × 106

B) 1 × 100

C) 1 × 10-12

D) 1 × 10-18

61) Which of the following is the greatest mass?

A) 1000 μg

B) 1.000 × 10-4 kg

C) 1.000 × 10-4 cg

D) 1.000 × 10-8 Mg

62) The mass of a proton is 1.67 × 10-27 kg. What is the mass of a proton in picograms?

A) 1.67 × 10-18 pg

B) 1.67 × 10-15 pg

C) 1.67 × 10-12 pg

D) 1.67 × 10-9 pg

63) The mass of a single zinc atom is 1.086 × 10–22 g. This is the same mass as

A) 1.086 × 10-16 mg.

B) 1.086 × 10-25 kg.

C) 1.086 × 10-28 μg.

D) 1.086 × 10-31 ng.

64) A student weighed 30.00 μg of sulfur in the lab. This is the same mass as

A) 3.000 × 10-8 g.

B) 3.000 × 10-5 kg.

C) 3.000 × 10-5 mg.

D) 3.000 × 104 ng.

65) Convert 2 μm to meters.

A) 2 × 10-9 m

B) 2 × 10-6 m

C) 2 × 10-3 m

D) 2 × 106 m

66) The average distance between nitrogen and oxygen atoms is 115 pm in a compound called nitric

oxide. What is this distance in millimeters?

A) 1.15 × 10-8 mm

B) 1.15 × 10-7 mm

C) 1.15 × 1013 mm

D) 1.15 × 1017 mm

67) The diameter of an atom is approximately 1 × 10-10 m. What is the diameter in millimeters?

A) 1 × 10-16 mm

B) 1 × 10-13 mm

C) 1 × 10-7 mm

D) 1 × 10-4 mm

68) Which of the following volumes is equal to 40 mL?

A) 40 cm3

B) 40 dm3

C) 0.40 L

D) 0.00040 kL

69) Convert 10 cm3 to m3.

A) 1 × 10-5 m3

B) 1 × 10-1 m3

C) 1 × 103 m3

D) 1 × 107 m3

70) Convert 35 m3 to liters.

A) 3.5 × 10-2 L

B) 3.5 L

C) 3.5 × 102 L

D) 3.5 × 104 L

71) What wavelength of light would you report in units of nm, if the light had a wavelength of

9.90 x 10-10 m?

A) 9.90 × 10-3 nm

B) 9.90 × 10-19 nm

C) 9.90 nm

D) 0.990 nm

E) 990 nm

72) How many mg does a 690 kg sample contain?

A) 6.90 × 10-4 mg

B) 6.90 × 107 mg

C) 6.90 × 10-3 mg

D) 6.90 × 106 mg

E) 6.90 × 108 mg

73) How many kL does a 8.55 × 108 cL sample contain?

A) 8.55 × 103 kL

B) 8.55 × 1013 kL

C) 8.55 × 104 kL

D) 8.55 × 1012 kL

E) 8.55 × 102 kL

74) How many cm3 are contained in 3.77 × 104 mm3?

A) 3.77 × 104 cm3

B) 3.77 × 101 cm3

C) 3.77 × 10-10 cm3

D) 3.77 × 1020 cm3

E) 3.77 × 106 cm3

75) How many mL are in 7.59 L?

A) 7.59 × 10-3 mL

B) 7.59 × 101 mL

C) 7.59 × 103 mL

D) 7.59 × 10-1 mL

E) 7.59 × 102 mL

76) 38.325 lb = ________ grams. (1 lb = 454 g)

77) If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-

pound man?

A) 1.0 kg Ca

B) 5.1 kg Ca

C) 1.0 × 102 kg Ca

D) 5.1 × 102 kg

78) A fishing boat accidentally spills 3.0 barrels of diesel oil into the ocean. Each barrel contains 42

gallons. If the oil film on the ocean is 2.5 × 102 nm thick, how many square meters will the oil slick

cover?

A) 1.9 × 10-3 m2

B) 1.9 × 106 m2

C) 1.9 × 107 m2

D) none of these

79) Because of the high heat and low humidity in the summer in Death Valley, California, a visitor

requires about one quart of water for every two miles traveled on foot. Calculate the approximate

number of liters required for a person to walk 10. kilometers in Death Valley.

A) 2.9 L

B) 12 L

C) 30 L

D) 47 L

80) The estimated costs for remodelling the interior of an apartment are: three 1-gallon cans of paint at

$13.22 each, two paint brushes at $9.53 each, and $135 for a helper. The total estimated cost with the

appropriate significant figures is $________.

A) 193.72

B) 1.9 × 102

C) 194

D) 2 × 102

E) 193.7

81) How many liters of wine can be held in a wine barrel whose capacity is 22.0 gal?

1 gal = 4 qt = 3.7854 L.

A) 1.72 × 10-4

B) 0.172

C) 83.3

D) 5.81 × 103

E) 5.81

82) The recommended adult dose of Elixophyllin , a drug used to treat asthma, is 6.00 mg/kg of body

mass. Calculate the dose in milligrams for a 115-lb person. 1 lb = 453.59 g.

A) 24

B) 1,521

C) 1.5

D) 313

E) 3.1 × 105

83) The density of air under ordinary conditions at 25°C is 1.19 g/L. How many kilograms of air are in a

room that measures 11.0 ft × 11.0 ft and has an 10.0 ft ceiling? 1 in. = 2.54 cm (exactly); 1 L = 103 cm3

A) 3.66

B) 0.152

C) 4.08 × 104

D) 0.0962

E) 40.8

84) How many liters of air are in a room that measures 10.0 ft × 11.0 ft and has an 8.00 ft ceiling?

1 in. = 2.54 cm (exactly); 1 L = 103 cm3

A) 2.49 × 104

B) 92.8

C) 26.8

D) 2.68 ×

E) 8.84 × 105

85) A recipe requires 1.66 liters of milk for a soup base. How many quarts are needed?

A) 1.57 qts

B) 1.75 qts

C) 1.66 qts

D) 3.65 qts

E) 0.754 qts

86) If a room requires 25.4 square yards of carpeting, what is the area of the floor in units of ft2?

(3 ft = 1 yd)

A) 76.2 ft2

B) 8.47 ft2

C) 152.4 ft2

D) 229 ft2

E) 64.5 ft2

87) A person is 68.00 inches tall. How tall is she in cm?

A) 172.7 cm

B) 26.77 cm

C) 27.20 cm

D) 204.0 cm

E) 136.0 cm

88) A person weighs 77.1 kg. What is his weight in pounds?

A) 154 pounds

B) 170 pounds

C) 35.0 pounds

D) 30.8 pounds

E) 193 pounds

89) A person is 2.000 yards tall. How tall is he in cm?

A) 182.9 cm

B) 28.35 cm

C) 0.1411 cm

D) 5.080 cm

E) 15.24 cm

90) An alligator is 152.4 cm long. How long is he in feet?

A) 5.00 feet

B) 60.0 ft

C) 12.7 ft

D) 32.2 ft

E) 720.0 ft

91) How many cm are in 23.2 ft?

A) 9.14 cm

B) 278 cm

C) 58.9 cm

D) 707 cm

E) 0.761 cm

Matching Questions

Match the following.

A) 10-1

B) 10-2

C) 10-9

D) 106

E) 10-6

F) 103

G) 10-3

1) kilo

Diff: 1 Page Ref: 1.6

2) centi

Diff: 1 Page Ref: 1.6

3) milli

Diff: 1 Page Ref: 1.6

4) nano

Diff: 1 Page Ref: 1.6

5) micro

Diff: 1 Page Ref: 1.6

6) deci

Diff: 1 Page Ref: 1.6

7) mega

Diff: 1 Page Ref: 1.6

Short Answer Questions

1) Define an atom.

2) Define matter.

3) A sample of liquid isopropyl alcohol is placed in a sealed container. Some of the volatile isopropyl

alcohol vaporizes. Does the mass of the sealed container and its contents change during the

vaporization? Explain.

4) What is the difference between a physical property and a chemical property? Give an example of

each.

5) Define energy.

6) Define the law of the conservation of energy.

7) A flash drive contains 4 gigabytes. How many bytes does it contain?

8) Describe the difference between an intensive and extensive property using examples.

9) What happens to the density of a sample of iron metal as it is heated from room temperature to

100°C? (This is below the melting point of iron.)

10) What does it mean to be an exact number? Give an example of an exact number.

11) Define random error.