Question 1

Gold is an example of

Accepted Answer

A)  a compound.
B)  an element.
C)  a heterogeneous mixture.
D)  a homogeneous mixture.E) All of the above
F) B) and C)

Question 2

How many cm3 are contained in 3.77 × 104 mm3?

Accepted Answer

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 cm3F) All of the above
G) A) and B)

Question 3

How many of the following numbers contain 3 significant figures?
0.408 9.040 0.0400 9.05 × 1024

Accepted Answer

A)  one
B)  two
C)  three
D)  fourE) All of the above
F) A) and B)

Question 4

Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm3.

Accepted Answer

A)  87.9 mL
B)  42.4 mL
C)  18.5 mL
D)  23.6 mL
E)  31.2 mLF) A) and D)
G) A) and B)

Question 5

Read the length of the metal bar with the correct number of significant figures.

Accepted Answer

A)  20 cm
B)  15 cm
C)  15.0 cm
D)  15.00 cm
E)  15.000 cmF) C) and E)
G) C) and D)

Question 6

Read the length of the metal bar with the correct number of significant figures.

Accepted Answer

A)  20 cm
B)  15 cm
C)  15.0 cm
D)  15.00 cm
E)  15.000 cmF) A) and B)
G) C) and D)

Question 7

All of the following are SI units of measurement,except

Accepted Answer

A)  meter.
B)  gram.
C)  second.
D)  kelvin.
E)  mole.F) A) and B)
G) B) and D)

Question 8

Gasoline is an example of

Accepted Answer

A)  a compound.
B)  an element.
C)  a heterogeneous mixture.
D)  a homogeneous mixture.E) A) and D)
F) A) and C)

Question 9

What answer should be reported,with the correct number of significant figures,for the following calculation? (249.362 + 41) / 63.498

Accepted Answer

A)  4.6
B)  4.57
C)  4.573
D)  4.5728
E)  4.57277F) A) and E)
G) None of the above

Question 10

Which of the following represents a physical property?

Accepted Answer

A)  Sodium metal is extremely reactive with chlorine gas.
B)  Mercury is a silver liquid at room temperature.
C)  the tendency of aluminum to "rust"
D)  the flammability of butane fuel
E)  the unreactive nature of argon gasF) A) and B)
G) A) and C)

Question 11

Gas is sold for $1.399 per liter in Toronto,Canada.Your car needs 12.00 gallons.How much will your credit card be charged in dollars?

Accepted Answer

A)  $16.79
B)  $67.15
C)  $4.44
D)  $63.54E) None of the above
F) B) and C)

Question 12

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.

Accepted Answer

A)  2.9 L
B)  12 L
C)  30 L
D)  47 LE) B) and C)
F) A) and B)

Question 13

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 a(n) 10.0 ft ceiling? 1 in.= 2.54 cm (exactly) ;1 L = 103 cm3.

Accepted Answer

A)  3.66
B)  0.152
C)  4.08 × 104
D)  0.0962
E)  40.8F) None of the above
G) D) and E)

Question 14

Dalton's Atomic Theory states

Accepted Answer

A)  that all elements have several isotopes.
B)  that matter is composed of small indestructible particles.
C)  that the properties of matter are determined by the properties of atoms.
D)  that energy is neither created nor destroyed during a chemical reaction.
E)  that an atom is predominantly empty space.F) A) and D)
G) B) and E)

Question 15

Convert 10 cm3 to m3.

Accepted Answer

A)  1 × 10-5 m3
B)  1 × 10-1 m3
C)  1 × 103 m3
D)  1 × 107 m3E) A) and D)
F) B) and C)

Question 16

Two or more substances in variable proportions,where the composition is constant throughout are considered

Accepted Answer

A)  a compound.
B)  an element.
C)  a heterogeneous mixture.
D)  a homogeneous mixture.
E)  a crystalline solid.F) None of the above
G) A) and B)

Question 17

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

Accepted Answer

A)  3.000 × 10-8 g.
B)  3.000 × 10-5 kg.
C)  3.000 × 10-5 mg.
D)  3.000 × 104 ng.E) C) and D)
F) None of the above

Question 18

How many liters of air are in a room that measures 10.0 ft × 11.0 ft and has a(n) 8.00 ft ceiling?
1 in.= 2.54 cm (exactly) ;1 L = 103 cm3.

Accepted Answer

A)  2.49 × 104
B)  92.8
C)  26.8
D)  2.68 × 107
E)  8.84 × 105F) A) and E)
G) B) and D)

Question 19

If the temperature is 178°F,what is the temperature in degrees Celsius?

Accepted Answer

A)  352°C
B)  451°C
C)  67°C
D)  81.1°C
E)  378°CF) C) and E)
G) A) and B)

Question 20

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?

Accepted Answer

A)  0.312 g/mL
B)  0.633 g/mL
C)  1.58 g/mL
D)  3.21 g/mLE) All of the above
F) None of the above

Exam 1: Matter, Measurement, and Problem Solving

Gold is an example of

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

Which of the following represents a physical property?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

Convert 10 cm3 to m3.

Correct AnswerverifiedShow Answer

Gas is sold for $1.399 per liter in Toronto,Canada.Your car needs 12.00 gallons.How much will your credit card be charged in dollars?

Correct AnswerverifiedShow Answer

How many liters of air are in a room that measures 10.0 ft × 11.0 ft and has a(n) 8.00 ft ceiling? 1 in.= 2.54 cm (exactly) ;1 L = 103 cm3.

Correct AnswerverifiedShow Answer

How many of the following numbers contain 3 significant figures? 0.408 9.040 0.0400 9.05 × 1024

Correct AnswerverifiedShow Answer

All of the following are SI units of measurement,except

Correct AnswerverifiedShow Answer

Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm3.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Gasoline is an example of

Correct AnswerverifiedShow Answer

What answer should be reported,with the correct number of significant figures,for the following calculation? (249.362 + 41) / 63.498

Correct AnswerverifiedShow Answer

Two or more substances in variable proportions,where the composition is constant throughout are considered

Correct AnswerverifiedShow Answer

Dalton's Atomic Theory states

Correct AnswerverifiedShow Answer

If the temperature is 178°F,what is the temperature in degrees Celsius?

Correct AnswerverifiedShow Answer

How many cm3 are contained in 3.77 × 104 mm3?

Correct AnswerverifiedShow Answer

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 a(n) 10.0 ft ceiling? 1 in.= 2.54 cm (exactly) ;1 L = 103 cm3.

Correct AnswerverifiedShow Answer

Read the length of the metal bar with the correct number of significant figures.

Correct AnswerverifiedShow Answer

Read the length of the metal bar with the correct number of significant figures.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Convert 10 cm³ to m³.

Correct Answer
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Correct Answer
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How many liters of air are in a room that measures 10.0 ft × 11.0 ft and has a(n) 8.00 ft ceiling? 1 in.= 2.54 cm (exactly) ;1 L = 10³cm³.

Correct Answer
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How many of the following numbers contain 3 significant figures? 0.408 9.040 0.0400 9.05 × 10²⁴

Correct Answer
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Correct Answer
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Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm³.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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How many cm³ are contained in 3.77 × 10⁴ mm³?

Correct Answer
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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 a(n) 10.0 ft ceiling? 1 in.= 2.54 cm (exactly) ;1 L = 10³cm³.

Correct Answer
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Correct Answer
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Correct Answer
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