Deck 2: Chemistry and Measurement

Question 1

A value of 25 °C is a measurement of ________.

A)length
B)volume
C)temperature
D)mass
E)density

Answer 1

temperature

Question 2

Which of the answers for the following conversions contains the correct number of significant figures?

A)2.543 m × = 100.1942 in.
B)2 L × = 2.12 qt
C)24.95 min × = 0.4158 hr
D)12.0 ft × × = 370 cm
E)24.0 kg × = 11 lb

Answer 2

24.95 min × = 0.4158 hr

Question 3

Which of the following measurements has three significant figures?

A)0.005 m
B)510 m
C)0.510 m
D)0.051 m
E)5100 m

Answer 3

0.510 m

Question 4

The number of significant figures in the measurement of 45.030 mm is ________.

A)none
B)three
C)four
D)five
E)six

Question 5

Which of the following is a measurement of mass in the metric system?

A)milliliter
B)centimeter
C)kilogram
D)Celsius
E)meter

Question 6

Which of the following numbers contains the designated correct number of significant figures?

A)0.04300 5 significant figures
B)0.00302 2 significant figures
C)156 000 3 significant figures
D)1.04 2 significant figures
E)3.0650 4 significant figures

Question 7

In which of the following is the metric unit paired with its correct abbreviation?

A)microgram / mg
B)milliliter / mL
C)centimeter / km
D)kilogram / cg
E)gram / gm

Question 8

The measurement of the gravitational pull on an object is its ________.

A)volume
B)weight
C)mass
D)length
E)size

Question 9

What is the answer,with the correct number of decimal places,for this problem? 4.392 g + 102.40 g + 2.51 g =

A)109.302 g
B)109 g
C)109.3 g
D)109.30 g
E)110 g

Question 10

A value of 345 mm is a measure of ________.

A)density
B)mass
C)temperature
D)volume
E)length

Question 11

Which of the following examples illustrates a number that is correctly rounded to three significant figures?

A)4.05438 g to 4.054 g
B)0.03954 g to 0.040 g
C)103.692 g to 103.7 g
D)109 526 g to 109 500 g
E)20.0332 g to 20.0 g

Question 12

What is the correct answer for the calculation of a volume (in mL)with measured numbers ?

A)0.22 mL
B)0.223 mL
C)57 mL
D)14 mL
E)14.3 mL

Question 13

A calculator answer of 423.6059 must be rounded off to three significant figures.What answer is reported?

A)423
B)424
C)1.7420
D)423.6
E)423.7

Question 14

The correct answer for the addition of 7.5 g + 2.26 g + 1.311 g + 2 g is ________.

A)13.071 g
B)13 g
C)13.0 g
D)10 g
E)13.1 g

Question 15

Which of the following is the largest unit?

A)millimeter
B)micrometer
C)meter
D)decimeter
E)kilometer

Question 16

Which of the following is the basic unit of volume in the metric system?

A)liter
B)kilogram
C)meter
D)centimeter
E)gram

Question 17

When 2610 + 11.7 + 0.22 are added,the answer to the correct number of decimal places is ________.

A)2621.92
B)2621.9
C)2621
D)2620
E)2600

Question 18

A value of 36 mL is a measure of ________.

A)density
B)mass
C)temperature
D)volume
E)length

Question 19

The amount of space occupied by a substance is its ________.

A)mass
B)density
C)weight
D)length
E)volume

Question 20

How many significant figures are in the number 0.00208?

A)six
B)two
C)three
D)four
E)five

Question 21

Which of the following conversion factors is a measured number?

A)10 cm/dm
B)12 in/ft
C)16 oz/lb
D)25 miles/gallon
E)12 eggs/dozen

Question 22

1.00 pint of milk has a volume of how many milliliters?

A)473 mL
B)530.mL
C)1000 mL
D)1890 mL
E)106 mL

Question 23

What is the metric relationship between grams and micrograms?

A)1 g = 100 μg
B)1 g = 1 000 000 μg
C)1 g = 0.000 001 μg
D)1 g = 1000 μg
E)1 g = 0.001 μg

Question 24

How many kilograms are in 30.4 lb?

A)13.8 kg
B)14 kg
C)67 kg
D)66.88 kg
E)66.9 kg

Question 25

What is 6.5 m converted to inches?

A)1700 in
B)1651 in
C)39 in
D)260 in
E)255.9 in

Question 26

Which of the following is the smallest unit?

A)gram
B)milligram
C)kilogram
D)decigram
E)microgram

Question 27

How many centimeters are there in 57.0 in.?

A)22 cm
B)0.0445 cm
C)145 cm
D)22.4 cm
E)140 cm

Question 28

How many liters of soft drink are there in 5.25 qt?

A)4950 L
B)55.7 L
C)4.95 L
D)5.57 L
E)5.0 L

Question 29

The cubic centimeter (cm³ or cc)has the same volume as a ________.

A)cubic inch
B)cubic liter
C)milliliter
D)centimeter
E)cubic decimeter

Question 30

What is the conversion factor for the relationship between millimeters and centimeters?

A)1 mm/1 cm
B)10 mm/1 cm
C)1 cm/1 mm
D)100 mm/1 cm
E)10 cm/1 mm

Question 31

A doctor's order is 0.125 g of ampicillin.The liquid suspension on hand contains 250 mg/5.0 mL.How many milliliters of the suspension are required?

A)0.0025 mL
B)3.0 mL
C)2.5 mL
D)6.3 mL
E)0.0063 mL

Question 32

Which of the following measurements are not equivalent?

A)25 mg = 0.025 g
B)183 L = 0.183 kL
C)150 ms = 0.150 s
D)84 cm = 8.4 mm
E)24 dL = 2.4 L

Question 33

Which one of the following substances will float in gasoline,which has a density of 0.74 g/mL? The density of each substance is shown in parentheses.

A)table salt (D = 2.16 g/mL)
B)balsa wood (D = 0.16 g/mL)
C)sugar (D = 1.59 g/mL)
D)aluminum (D = 2.70 g/mL)
E)mercury (D = 13.6 g/mL)

Question 34

How many pounds are in 3.5 kg?

A)7.7 lb
B)1.59 lb
C)0.629 lb
D)1.6 lb
E)7.70 lb

Question 35

5.21 cm is the same length as ________.

A)0.0521 m
B)52.1 dm
C)5.21 mm
D)0.00521 km
E)5210 m

Question 36

Which of the following setups would convert centimeters to feet?

A)cm × ×
B)cm × ×
C)cm × ×
D)cm × ×
E)cm × ×

Question 37

9.31 g is the same mass as ________.

A)931 μg
B)931 kg
C)93.1 cg
D)9310 mg
E)0.0931 dg

Question 38

A dose of aspirin of 5.0 mg per kilogram of body weight has been prescribed to reduce the fever of an infant weighing 8.5 pounds.The number of milligrams of aspirin that should be administered is ________.

A)19 mg
B)53 mg
C)1.6 mg
D)5.0 mg
E)0.59 mg

Question 39

According to the United States Food and Drug Administration,the recommended daily requirement of protein is 44 g.This is ________ of protein.

A)1248.5 oz
B)320 000 oz
C)1.6 oz
D)0.0605 oz
E)150 000 oz

Question 40

A conversion factor set up correctly to convert 15 inches to centimeters is ________.

A)100 cm/1 m
B)1 inch/2.54 cm
C)1 cm/10 mm
D)2.54 cm/1 inch
E)10 cm/1 inch

Question 41

State the number of significant figures in each of the following measurements.
0.008090 cm

Question 42

A liquid has a volume of 34.6 mL and a mass of 46.0 g.What is the density of the liquid?

A)1.00 g/mL
B)1.33 g/mL
C)0.752 g/mL
D)1330 g/mL
E)0.663 g/mL

Question 43

What is the mass of 53 mL of ethanol,which has a density of 0.79 g/mL?

A)67.1 g
B)41.9 g
C)42 g
D)67 g
E)53 g

Question 44

A nugget of gold with a mass of 521 g is added to 50.0 mL of water.The water level rises to a volume of 77.0 mL.What is the density of the gold?

A)10.4 g/mL
B)6.77 g/mL
C)1.00 g/mL
D)0.0518 g/mL
E)19.3 g/mL

Question 45

The ratio of the mass of a substance to its volume is its ________.

A)specific gravity
B)density
C)buoyancy
D)weight
E)conversion factor

Question 46

Round off each of the following to three significant figures.
58.5422

Question 47

Round off each of the following to three significant figures.
0.003 4088

Question 48

A 50.0 mL urine sample has a mass of 50.7 g.The specific gravity of the urine is ________.

A)1.014 g/mL
B)0.986 g/L
C)1.01
D)0.986
E)50.7

Question 49

The density of a solution is 1.18 g/mL.Its specific gravity is ________.

A)11.8
B)0.118
C)0.847
D)1.18
E)1.2

Question 50

Mercury has a specific gravity of 13.6.How many milliliters of mercury have a mass of 0.35 kg?

A)0.0257 mL
B)0.026 mL
C)25.7 mL
D)26 mL
E)4760 mL

Question 51

Round off each of the following to three significant figures.
6.3477 ×

Question 52

Round off each of the following to three significant figures.
8.3158

Question 53

Diamond has a density of 3.52 g/mL.What is the volume in cubic centimeters of a diamond with a mass of 15.1 g?

A)4.3
B)4.29
C)0.233
D)53
E)53.2

Question 54

What is the mass of 2.00 L of an intravenous glucose solution with a density of 1.15 g/mL?

A)0.0230 kg
B)2.30 kg
C)1.15 kg
D)0.0150 kg
E)0.575 kg

Question 55

State the number of significant figures in each of the following measurements.
0.705 m

Question 56

Round off each of the following to three significant figures.
399870

Question 57

Round off each of the following to three significant figures.
504.85

Question 58

Round off each of the following to three significant figures.
25 225

Question 59

State the number of significant figures in each of the following measurements.
680 000 km

Question 60

What is the density of a substance with a mass of 45.00 g and a volume of 26.4 mL?

A)1.70 g/mL
B)1.7 g/mL
C)0.59 g/mL
D)0.587 g/mL
E)45.0 g/mL

Question 61

The basic unit of mass in the metric system is the pound.

Question 62

1 mL is equivalent to 1000 L.

Question 63

State the number of significant figures in each of the following measurements.
28.050 km

Question 64

When the measured number 675 is added to the measured number 87.10,the answer should be rounded to the ones place.

Question 65

The number 650 000 has two significant figures.

Question 66

State the number of significant figures in each of the following measurements.
75.00 m

Question 67

If there are 14 books on the shelf,14 is a(n)________ number.

Question 68

There are 1000 μg in a mg.

Question 69

The liter is a unit of volume in the metric system.

Question 70

When the measured number 0.0090 is multiplied by the measured number 87.10,the answer has two significant figures.

Question 71

Specific gravity has no units.

Question 72

The density of water is 1 kg/mL.

Question 73

The number 0.0500 has four significant figures.

Question 74

1 kg equivalent to 1000 mg.

Question 75

State the number of significant figures in each of the following measurements.
6.1 × mL

Question 76

A μg is larger than a mg.

Question 77

State the number of significant figures in each of the following measurements.
2.043 × mm

Question 78

State the number of significant figures in each of the following measurements.
9.00 × g

Question 79

State the number of significant figures in each of the following measurements.
0.0005 L

Question 80

A cubic centimeter is a unit of length.