Deck 1: Matter and Measurement

Question 1

The measurement 78, 005, 760 expressed correctly using scientific notation is

A)7.8005760 × 10⁷
B)7.8005760 × 10^-7
C)7.8 × 10⁷
D)7.800576 × 10^-7
E)7.800576 × 10⁷

Answer 1

E

Question 2

Which metric relationship is incorrect?

A)1 milligram = 1, 000 grams
B)1 dL = 100 mL
C)1 km = 1, 000 m
D)100 cg = 1 g
E)1 liter = 1, 000, 000 microliters

Answer 2

A

Question 3

Carry out the following calculation and report the answer using the proper number of significant figures: 549.101 + 8.12 + 95.0076 - 651.9

A)3.286
B)0.3286
C)0.33
D)0.3
E)1268.1

Answer 3

D

Question 4

The number 0.0035880 expressed correctly using scientific notation is

A)0.0035889
B)3.5880 × 10³
C)3.5880 × 10^-3
D)3.5880 × 10^-4
E)3.588 × 10^-3

Question 5

Which number contains four significant figures?

A)3.978
B)0.780
C)0.0085
D)1700
E)Two or more of the above numbers contain four significant figures.

Question 6

Which is an example of a physical change?

A)The rusting of an iron nail
B)The burning of propane in a gas grill
C)Baking cookies
D)Polishing tarnished silver
E)Melting of an ice cube in a glass of soda

Question 7

Which number is the smallest?

A)4.38 × 10³
B)4.38 × 10²
C)4.38 × 10^-3
D)4.38 × 10^-2
E)438

Question 8

Carry out the following calculation and report the answer using the proper number of significant figures:

A)31.0185 ft/s
B)31.01 ft/s
C)31.02 ft/s
D)31.0 ft/s
E)31 ft/s

Question 9

When 0.022189 is correctly rounded to two significant figures the number becomes

A)0.02
B)0.022
C)22
D)0.023

Question 10

Which is not an example of a pure substance?

A)Sugar
B)Air
C)Aluminum foil
D)Water
E)A block of dry ice

Question 11

What is the correct metric relationship between milliliters and microliters?

A)1 milliliter = 1 microliter
B)1, 000 milliliters = 1 microliter
C)1 milliliter = 1, 000 microliters
D)1, 000, 000 milliliters = 1 microliter
E)1 milliliter = 1, 000, 000 microliters

Question 12

Which is the proper conversion factor for converting a mass expressed in pounds (lb)to the same mass expressed in grams (g)?

A)
B)
C)
D)

Question 13

Which number is the largest?

A)4.38 × 10³
B)4.38 × 10²
C)4.38 × 10^-3
D)4.38 × 10^-2
E)438

Question 14

Carry out the following calculation and report the answer using the proper number of significant figures: 38.251 + 73.1

A)111
B)111.3
C)111.4
D)111.35
E)111.351

Question 15

When 4.870 × 10^-3 is correctly converted to its standard form the number becomes

A)4870
B)4870.
C)0.00487
D)0.004870
E)0.0004870

Question 16

Which quantity is an exact number?

A)3 cars
B)1, 000 m
C)2 L
D)453.6 g

Question 17

Which length is the longest?

A)12 m
B)12, 000 mm
C)12, 000 $\mu$ m
D)12, 000 cm
E)0.0012 km

Question 18

When 5.5490× 10⁸ is correctly rounded to three significant figures the number becomes

A)5.55
B)5.55 × 10⁸
C)555
D)554
E)5.54 × 10⁸

Question 19

Which measurement has the fewest number of significant figures?

A)12.80 m
B)0.1280 m
C)0.001280 m
D)1280 m
E)All of the measurements have the same number of significant figures.

Question 20

Carry out the following calculation and report the answer using the proper number of significant figures: 38.251 × 73.1

A)2796.1481
B)2796.15
C)2796.1
D)2796
E)2.80 × 10³

Question 21

If honey has a density of 1.36 g/mL, what is the mass of 1.25 qt, reported in kilograms?

A)1.60 kg
B)1.6 × 10³ kg
C)0.974 kg
D)974 kg
E)1.80 kg

Question 22

If a piece of rock has a volume of 0.73 L and a mass of 1524 g, what is the density of the rock in g/mL?

A)2.1 × 10³ g/mL
B)0.48 g/mL
C)4.8 × 10^-4 g/mL
D)2.1 g/mL
E)2.088 g/mL

Question 23

The recommended dietary allowance for calcium for teenage children is 1, 300 mg per day. If a typical 8.0-fl oz glass of reduced-fat milk contains 298 mg of calcium, how many fluid ounces of milk does a teenager need to drink to get the entire recommended amount of calcium from this milk?

A)4.4 fl oz
B)1.8 fl oz
C)3.5 fl oz
D)35 fl oz
E)32 fl oz

Question 24

For a person between the ages of 10 and 29, the normal range of blood triglycerides is 53 × 10⁴ mg/dL. What is the correct interpretation of the units in this measurement?

A)milligrams times deciliter
B)micrograms per deciliter
C)megagrams per deciliter
D)milligrams per deciliter

Question 25

Which of the following temperatures is the hottest?

A)100 °C
B)100 °F
C)100 K
D)All would feel equally warm.

Question 26

The estimated average daily requirement of folic acid for pregnant females is 520 micrograms. Which accurately expresses this value?

A)520 mg
B)520 Mg
C)520 mG
D)520 $\mu$ 0g

Question 27

An oven is set for a temperature of 298 °F. What is the oven temperature in K?

A)166 K
B)421 K
C)148 K
D)571 K
E)439 K

Question 28

What is the mass in kilograms of an individual who weighs 197 lb?

A)197 kg
B)8.95 kg
C)89.5 kg
D)90 kg
E)433 kg

Question 29

What is the mass in grams of 85.32 mL of blood plasma with a density of 1.03 g/mL?

A)85.32 g
B)82.83 g
C)82.8 g
D)87.88 g
E)87.9 g

Question 30

What is the density of a sample of rubbing alcohol if it has a specific gravity of 0.789?

A)1.27 g/mL
B)0.789 g/mL
C)1.00 g/mL
D)0.895 g/mL

Question 31

Which volume is equivalent to 225 mL?

A)2.25 × 10⁵ $\mu$ L
B)2.25 × 10² $\mu$ L
C)2.25 L
D)2.25 × 10^-5 $\mu$ L
E)0.225 $\mu$ L

Question 32

The density of human urine is normally between 1.003 and 1.030g/mL, and is often used as a diagnostic tool. If a 25.00 mL sample of urine from a patient has a mass of 26.875 g, how does the density of the urine sample compare to the normal range?

A)the density of the sample is lower than the normal range
B)the density of the sample is greater than the normal range
C)the density of the sample is within the normal range
D)there is insufficient information to make a comparison

Question 33

A patient's urine sample has a density of 1.02 g/mL. If 1250 mL of urine was excreted by the patient in one day, what mass of urine was eliminated?

A)1.28 kg
B)1225 g
C)1275 g
D)128 g

Question 34

Which of the following conversions is correct and expresses the answer using the proper number of significant figures?

A)
B)
C)
D)

Question 35

If a package of nuts weighs 41.3 oz, what is the mass of the package expressed in milligrams?

A)1.17 mg
B)1.17 × 10³ mg
C)1.17 × 10⁶ mg
D)117 mg
E)3.00 × 10⁵ mg

Question 36

On an autumn day in Washington, DC the outdoor temperature was 21 °C. What was this outdoor temperature in °F?

A)44 °F
B)57 °F
C)69 °F
D)70 °F

Question 37

If a balloon has a volume of 21.6 cups, what is the volume of this balloon expressed in L?

A)86.4 L
B)81.51 L
C)5.72 L
D)5.094 L
E)5.09 L

Question 38

If a 185-lb patient is prescribed 145 mg of the cholesterol lowering drug Tricor daily, what dosage is the patient receiving in mg/kg of his body weight?

A)0.784 mg/kg
B)1.28 mg/kg
C)0.356 mg/kg
D)1.72 mg/kg
E)0.580 mg/kg

Question 39

If a tree is 89.5 cm tall, what is the tree's height expressed in yards?

A)0.979 yd
B)6.31 yd
C)18.9 yd
D)35.2 yd
E)227 yd

Question 40

A hiker with hypothermia has a body temperature of 82 °F. What is his body temperature in °C?

A)14 °C
B)28 °C
C)31 °C
D)50 °C

Question 41

The number 900, 027, 300 has nine significant figures.

Question 42

The number 900, 027, 300 has four significant figures.

Question 43

A compound cannot be broken down into simpler substances.

Question 44

The two conversion factors for the equality 1 in = 2.54 cm are properly shown below.

Question 45

When the liquid carbon tetrachloride (density = 1.59 g/mL)is added to water, the top layer will be the water layer.

Question 46

Air has a density of 0.001226 g/mL. What volume of air would have a mass of 1.0 lb?

A)2.7 mL
B)815.6 mL
C)37 mL
D)3.7 x 10² L

Question 47

Changes in state such as melting and boiling are physical changes.

Question 48

The base unit for volume in the metric system is liter (L).

Question 49

Nitrogen gas (N₂)would properly be classified as a compound.

Question 50

An inexact number results from a measurement or observation and contains some uncertainty.

Question 51

The base unit for mass in the metric system is kilograms (kg).

Question 52

The water molecules in this image are best described as being in the liquid state.

Question 53

Specific gravity is a quantity that compares the density of a substance with the density of water.

Question 54

In reading a number with a decimal point from left to right, all digits starting with the first nonzero number are significant figures.

Question 55

PVC plastic, which is used in pipes, is an example of a synthetic material.

Question 56

A beaker contains 145.675 mL of a saline solution. If 24.2 mL of the saline solution are removed from the beaker, what volume of solution remains?

A)121.475 mL
B)121.4 mL
C)121.5 mL
D)121 mL

Question 57

Which volume has the most uncertainty associated with the measurement?

A)10 mL
B)10.0 mL
C)10.00 mL
D)all have the same degree of uncertainty

Question 58

When a piece of magnesium (density = 1.738 g/mL)is placed in a container of liquid carbon tetrachloride (density = 1.59 g/mL), the piece of magnesium will float on top of the carbon tetrachloride.

Question 59

The specific gravity of a substance has units of g/mL.

Question 60

A zero counts as a significant figure when it occurs at the end of a number that contains a decimal point.

Question 61

One-thousand (1, 000)ms is the same length of time as one (1) $\mu$ s.

Question 62

For a number written in scientific notation, a negative exponent indicates the value of the number is less than 1.

Question 63

The density of olive oil is greater at 200 °C than at 25 °C.

Question 64

The temperature -60 °C is higher than -60 °F.

Question 65

When subtracting 15 from 762.85 the answer should be reported with two significant figures.

Question 66

Dissolving sugar in water involves a chemical change.

Question 67

If the density of a substance is greater than 1 g/mL, the mass of a sample of this substance will be greater than the volume of the sample.

Question 68

A mixture can be separated into its components by physical changes.

Question 69

Elements and compounds are both classified as pure substances.

Question 70

Dividing a number by 10⁵ is the same as multiplying a number by 10^-5.

Question 71

One Kelvin is the same size as one degree Celsius.

Question 72

The temperature 60 °C is higher than 60 K.

Question 73

The temperature 60 °C is higher than 60 °F.

Question 74

The number 0.0007270 is larger than the number 5.7 × 10^-3.

Question 75

The number 87, 927, 000 is larger than the number 9.7 × 10⁶.

Question 76

Assuming the numbers are measured values, when multiplying 762.85 by 15 the answer should be reported with two significant figures.

Question 77

The meaning of the metric prefix milli- is 1000.

Question 78

In scientific notation, a number is written as y × 10^x, where x can be any positive or negative number or fraction.

Question 79

The terms used in conversion factors must always be exact numbers.

Question 80

The measurement 10.3 cm has more significant figures than the measurement 10.3 m.