Question 1

The distance between carbon atoms in ethylene is 134 picometers. Which of the following expresses that distance in meters?

Accepted Answer

A)  1.34 × 10-13 m 
B)  1.34 × 10-12 m 
C)  1.34 × 10-10 m 
D)  1.34 × 10-7 m 
E)  1.34 × 10-6 m 
A)  1.34 × 10-13 m 
B)  1.34 × 10-12 m 
C)  1.34 × 10-10 m 
D)  1.34 × 10-7 m 
E)  1.34 × 10-6 m

Question 2

If the density of corn syrup is 1.380 g/mL and a sample of corn syrup has a mass of 32 grams, what is the volume of corn syrup, in liters?

Accepted Answer

A)  43 L 
B)  23 L 
C)  0.043 L 
D)  0.023 L 
E)  2.3 L 
A)  43 L 
B)  23 L 
C)  0.043 L 
D)  0.023 L 
E)  2.3 L

Question 3

The SI prefix mega- (M) means

Accepted Answer

A)  10-6. 
B)  10-3. 
C)  103. 
D)  106. 
E)  109. 
A)  10-6. 
B)  10-3. 
C)  103. 
D)  106. 
E)  109.

Question 4

How many milliliters is 0.0055 L?

Accepted Answer

A)  0.55 mL 
B)  5.5 mL 
C)  0.5 mL 
D)  0.0000055 mL 
E)  182 mL 
A)  0.55 mL 
B)  5.5 mL 
C)  0.5 mL 
D)  0.0000055 mL 
E)  182 mL

Question 5

The number 6.0448, rounded to 3 decimal places, becomes 6.045.

Accepted Answer

A) True 
 B)False

Question 6

One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl in water. In this mixture, 0.89% of the mass is contributed by the NaCl. What mass of NaCl is found in 450. mL of physiological saline? ((Density of physiological saline = 1.005 g/cm3)

Accepted Answer

A)  2.0 g 
B)  4.0 g 
C)  5.1 g 
D)  508 g 
E)  400 g 
A)  2.0 g 
B)  4.0 g 
C)  5.1 g 
D)  508 g 
E)  400 g

Question 7

If a liquid contains 60% sugar and 40% water throughout its composition then what is it called?

Accepted Answer

A)  Solute 
B)  Compound 
C)  Homogeneous mixture 
D)  Heterogeneous mixture 
E)  Solvent 
A)  Solute 
B)  Compound 
C)  Homogeneous mixture 
D)  Heterogeneous mixture 
E)  Solvent

Question 8

Iron has a density of 7.87 g/cm3. What mass of iron would be required to cover a football playing surface of 120 yds × 60. yds to a depth of 1.0 mm? (1 inch = 2.54 cm)

Accepted Answer

A)  76 kg 
B)  47 Mg 
C)  7.6 × 105 g 
D)  4.7 × 108 g 
E)  1.9 × 107 g 
A)  76 kg 
B)  47 Mg 
C)  7.6 × 105 g 
D)  4.7 × 108 g 
E)  1.9 × 107 g

Question 9

________ tells how closely multiple measurements of the same thing are to one another.

Accepted Answer

The answer of ________ tells how closely multiple measurements of...

Question 10

Which of the following is an extensive property of oxygen?

Accepted Answer

A)  Boiling point 
B)  Temperature 
C)  Average kinetic energy of molecules 
D)  Density 
E)  Mass 
A)  Boiling point 
B)  Temperature 
C)  Average kinetic energy of molecules 
D)  Density 
E)  Mass

Question 11

Acetone, which is used as a solvent and as a reactant in the manufacture of Plexiglas®, boils at 56.1°C. What is the boiling point in degrees Fahrenheit?

Accepted Answer

A)  159°F 
B)  133°F 
C)  101°F 
D)  69.0°F 
E)  43.4°F 
A)  159°F 
B)  133°F 
C)  101°F 
D)  69.0°F 
E)  43.4°F

Question 12

Explain the difference between a physical property and a chemical property.

Accepted Answer

A physical property can be obs

Question 13

A scoop of vanilla ice cream is a pure substance.

Accepted Answer

A) True 
 B)False

The distance between carbon atoms in ethylene is 134 picometers. Which of the following expresses that distance in meters?

If the density of corn syrup is 1.380 g/mL and a sample of corn syrup has a mass of 32 grams, what is the volume of corn syrup, in liters?

The SI prefix mega- (M) means

How many milliliters is 0.0055 L?

The number 6.0448, rounded to 3 decimal places, becomes 6.045.

One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl in water. In this mixture, 0.89% of the mass is contributed by the NaCl. What mass of NaCl is found in 450. mL of physiological saline? ((Density of physiological saline = 1.005 g/cm³)

If a liquid contains 60% sugar and 40% water throughout its composition then what is it called?

Iron has a density of 7.87 g/cm³. What mass of iron would be required to cover a football playing surface of 120 yds × 60. yds to a depth of 1.0 mm? (1 inch = 2.54 cm)

________ tells how closely multiple measurements of the same thing are to one another.

Which of the following is an extensive property of oxygen?

Acetone, which is used as a solvent and as a reactant in the manufacture of Plexiglas®, boils at 56.1°C. What is the boiling point in degrees Fahrenheit?

Explain the difference between a physical property and a chemical property.

A scoop of vanilla ice cream is a pure substance.

Atoms, Molecules, and Ions

Stoichiometry: Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy, Free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Organic Chemistry

Filters

Exam 1: Chemistry: the Central Science

The distance between carbon atoms in ethylene is 134 picometers. Which of the following expresses that distance in meters?

If the density of corn syrup is 1.380 g/mL and a sample of corn syrup has a mass of 32 grams, what is the volume of corn syrup, in liters?

The SI prefix mega- (M) means

How many milliliters is 0.0055 L?

The number 6.0448, rounded to 3 decimal places, becomes 6.045.

One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl in water. In this mixture, 0.89% of the mass is contributed by the NaCl. What mass of NaCl is found in 450. mL of physiological saline? ((Density of physiological saline = 1.005 g/cm3)

If a liquid contains 60% sugar and 40% water throughout its composition then what is it called?

Iron has a density of 7.87 g/cm3. What mass of iron would be required to cover a football playing surface of 120 yds × 60. yds to a depth of 1.0 mm? (1 inch = 2.54 cm)

________ tells how closely multiple measurements of the same thing are to one another.

Which of the following is an extensive property of oxygen?

Acetone, which is used as a solvent and as a reactant in the manufacture of Plexiglas®, boils at 56.1°C. What is the boiling point in degrees Fahrenheit?

Explain the difference between a physical property and a chemical property.

A scoop of vanilla ice cream is a pure substance.

Atoms, Molecules, and Ions

Stoichiometry: Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy, Free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Organic Chemistry

Filters

One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl in water. In this mixture, 0.89% of the mass is contributed by the NaCl. What mass of NaCl is found in 450. mL of physiological saline? ((Density of physiological saline = 1.005 g/cm³)

Iron has a density of 7.87 g/cm³. What mass of iron would be required to cover a football playing surface of 120 yds × 60. yds to a depth of 1.0 mm? (1 inch = 2.54 cm)