Question 1

Determine the density of an object that has a mass of 149.8 g and displaces 12.1 mL of water when placed in a graduated cylinder.

Accepted Answer

A)  8.08 g/mL 
B)  1.38 g/mL 
C)  12.4 g/mL 
D)  18.1 g/mL 
E)  11.4 g/mL 
A)  8.08 g/mL 
B)  1.38 g/mL 
C)  12.4 g/mL 
D)  18.1 g/mL 
E)  11.4 g/mL

Question 2

A person is 70.00 inches tall.How tall is she in cm?

Accepted Answer

A)  177.8 cm 
B)  27.56 cm 
C)  28.00 cm 
D)  210.0 cm 
E)  140.0 cm 
A)  177.8 cm 
B)  27.56 cm 
C)  28.00 cm 
D)  210.0 cm 
E)  140.0 cm

Question 3

A cube has a 45.2 cm length.What is the volume of the cube?

Accepted Answer

A)  4.52 × 103 cm3 
B)  4.52 × 102 cm3 
C)  9.23 × 10-4 cm3 
D)  9.23 × 104 cm3 
E)  45.2 cm3 
A)  4.52 × 103 cm3 
B)  4.52 × 102 cm3 
C)  9.23 × 10-4 cm3 
D)  9.23 × 104 cm3 
E)  45.2 cm3

Question 4

Which of the following volumes is equal to 30 mL?

Accepted Answer

A)  30 cm3 
B)  30 dm3 
C)  0. 30 L 
D)  0.000 30 kL 
A)  30 cm3 
B)  30 dm3 
C)  0. 30 L 
D)  0.000 30 kL

Question 5

How many square feet are in a room that measures 67.3 m2?

Accepted Answer

A)  724 ft2 
B)  6.25 ft2 
C)  128 ft2 
D)  862 ft2 
E)  78.4 ft2 
A)  724 ft2 
B)  6.25 ft2 
C)  128 ft2 
D)  862 ft2 
E)  78.4 ft2

Question 6

An alligator is 213.4 cm long.How long is he in feet?

Accepted Answer

A)  7.00 feet 
B)  84.0 ft 
C)  17.8 ft 
D)  45.2 ft 
E)  1009 ft 
A)  7.00 feet 
B)  84.0 ft 
C)  17.8 ft 
D)  45.2 ft 
E)  1009 ft

Question 7

Which of the following are examples of extensive properties?

Accepted Answer

A)  volume 
B)  color 
C)  density 
D)  temperature 
E)  solubility 
A)  volume 
B)  color 
C)  density 
D)  temperature 
E)  solubility

Question 8

The correct answer (reported to the proper number of significant figures)to the following is
6.3 × 3.25 = ________

Accepted Answer

The answer of The correct answer (reported to the proper...

Question 9

How many significant figures are in the measurement 5.3 g?

Accepted Answer

A)  1 
B)  4 
C)  3 
D)  2 
E)  5 
A)  1 
B)  4 
C)  3 
D)  2 
E)  5

Question 10

How many kL does a 9.45 × 108 cL sample contain?

Accepted Answer

A)  9.45 × 103 kL 
B)  9.45 × 1013 kL 
C)  9.45 × 104 kL 
D)  9.45 × 1012 kL 
E)  9.45 × 102 kL 
A)  9.45 × 103 kL 
B)  9.45 × 1013 kL 
C)  9.45 × 104 kL 
D)  9.45 × 1012 kL 
E)  9.45 × 102 kL

Question 11

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)  4.57277 
A)  4.6 
B)  4.57 
C)  4.573 
D)  4.5728 
E)  4.57277

Question 12

Without using a calculator,solve the following problem.

Accepted Answer

A)  1 × 100 
B)  1 × 10-3 
C)  1 × 10-9 
D)  1 × 10-12 
A)  1 × 100 
B)  1 × 10-3 
C)  1 × 10-9 
D)  1 × 10-12

Question 13

A person weighs 63.5 kg.What is his weight in pounds?

Accepted Answer

A)  130 pounds 
B)  140 pounds 
C)  28.8 pounds 
D)  25.4 pounds 
E)  159 pounds 
A)  130 pounds 
B)  140 pounds 
C)  28.8 pounds 
D)  25.4 pounds 
E)  159 pounds

Question 14

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

Accepted Answer

An intensive property does NOT depend on

Question 15

A person is 2.321 yards tall.How tall is she in cm?

Accepted Answer

A)  212.2 cm 
B)  32.90 cm 
C)  0.1638 cm 
D)  5.895 cm 
E)  17.69 cm 
A)  212.2 cm 
B)  32.90 cm 
C)  0.1638 cm 
D)  5.895 cm 
E)  17.69 cm

Question 16

Five different containers were measured.Which of the following has the least mass?

Accepted Answer

A)  1.000 × 10-1 kg 
B)  1.000 × 104 mg 
C)  1.000 × 106 µg 
D)  1.000 × 101 cg 
E)  1.000 × 102 g 
A)  1.000 × 10-1 kg 
B)  1.000 × 104 mg 
C)  1.000 × 106 µg 
D)  1.000 × 101 cg 
E)  1.000 × 102 g

Question 17

The average distance between nitrogen and oxygen atoms is 115 pm in a compound called nitric oxide.What is this distance in centimeters?

Accepted Answer

A)  1.15 × 10-9 cm 
B)  1.15 × 10-8 cm 
C)  1.15 × 1012 cm 
D)  1.15 × 1016 cm 
A)  1.15 × 10-9 cm 
B)  1.15 × 10-8 cm 
C)  1.15 × 1012 cm 
D)  1.15 × 1016 cm

Question 18

How many significant figures are in the measurement,20.300 m?

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  1 
E)  2 
A)  3 
B)  4 
C)  5 
D)  1 
E)  2

Question 19

How many mm are in 3.20 cm?

Accepted Answer

A)  3.20 × 101 mm 
B)  3.20 × 10-1 mm 
C)  3.20 × 10-2 mm 
D)  3.20 × 102 mm 
E)  3.20 × 103 mm 
A)  3.20 × 101 mm 
B)  3.20 × 10-1 mm 
C)  3.20 × 10-2 mm 
D)  3.20 × 102 mm 
E)  3.20 × 103 mm

Question 20

If a room requires 27.8 square yards of carpeting,what is the area of the floor in units of ft2? (3 ft = 1 yd)

Accepted Answer

A)  83.4 ft2 
B)  9.27 ft2 
C)  166.8 ft2 
D)  250 ft2 
E)  70.6 ft2 
A)  83.4 ft2 
B)  9.27 ft2 
C)  166.8 ft2 
D)  250 ft2 
E)  70.6 ft2

Exam 1: Essentials: Units, Measurements, and Problem Solving

Determine the density of an object that has a mass of 149.8 g and displaces 12.1 mL of water when placed in a graduated cylinder.

A person is 70.00 inches tall.How tall is she in cm?

A cube has a 45.2 cm length.What is the volume of the cube?

Which of the following volumes is equal to 30 mL?

How many square feet are in a room that measures 67.3 m2?

An alligator is 213.4 cm long.How long is he in feet?

Which of the following are examples of extensive properties?

The correct answer (reported to the proper number of significant figures)to the following is 6.3 × 3.25 = ________

How many significant figures are in the measurement 5.3 g?

How many kL does a 9.45 × 108 cL sample contain?

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

Without using a calculator,solve the following problem.

A person weighs 63.5 kg.What is his weight in pounds?

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

A person is 2.321 yards tall.How tall is she in cm?

Five different containers were measured.Which of the following has the least mass?

The average distance between nitrogen and oxygen atoms is 115 pm in a compound called nitric oxide.What is this distance in centimeters?

How many significant figures are in the measurement,20.300 m?

How many mm are in 3.20 cm?

If a room requires 27.8 square yards of carpeting,what is the area of the floor in units of ft2? (3 ft = 1 yd)

Atoms

The Quantum Mechanical Model of the Atom

Periodic Properties of the Elements

Molecules and Compounds

Chemical Bonding I

Chemical Bonding Ii

Chemical Reactions and Chemical Quantities

Introduction to Solutions and Aqueous Reactions

Thermochemistry

Gases

Liquids, Solids, and Intermolecular Forces

Crystalline Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Transition Metals and Coordination Compounds

Filters

How many square feet are in a room that measures 67.3 m²?

How many kL does a 9.45 × 10⁸ cL sample contain?

If a room requires 27.8 square yards of carpeting,what is the area of the floor in units of ft²? (3 ft = 1 yd)