Question 1

An aluminum beverage can contains 12.0 fluid ounces of liquid. Express this volume in liters. (1 fl oz = 29.6 mL)

Accepted Answer

A) 4.07 * 10-2 L 
B) 0.355 L 
C) 0.407 L 
D) 2.46 L 
E) 3.55 * 102 L 
A) 4.07 * 10-2 L 
B) 0.355 L 
C) 0.407 L 
D) 2.46 L 
E) 3.55 * 102 L

Question 2

The SI prefixes milli and mega represent, respectively:

Accepted Answer

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

Question 3

The radius of the Earth is approximately 6370 km. If one could dig down straight towards the center of the Earth, one would find that the outermost 2890 km (the crust and the mantle)has an average density of about 4.5 g/cm3. Farther down is the core. If the average density of the Earth is 5.5 g/cm3, what is the average density of the Earth's core? (Recall that the volume of a sphere is given by V = (4/3)$\pi$r3.)

Accepted Answer

A) 11.g/cm3 
B) 57.g/cm3 
C) 6.2 g/cm3 
D) 1.9 g/cm3 
E) not enough data is provided 
A) 11.g/cm3 
B) 57.g/cm3 
C) 6.2 g/cm3 
D) 1.9 g/cm3 
E) not enough data is provided

Question 4

What is the volume, in cubic centimeters, of a brick that is 4.0 in * 2.7 in * 8.0 in?

Accepted Answer

A) 5.3 cm3 
B) 53 cm3 
C) 87 cm3 
D) 4.8 * 102 cm3 
E) 1.4 * 103 cm3 
A) 5.3 cm3 
B) 53 cm3 
C) 87 cm3 
D) 4.8 * 102 cm3 
E) 1.4 * 103 cm3

Question 5

What are the common names for the three states of the compound water?

Accepted Answer

Ice, water

Question 6

How many significant figures does the result of the following operation contain? 8.52010 * 7.9

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 7

How many significant figures does the difference 218.7201 - 218.63 contain?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 5 
E) 7 
A) 1 
B) 2 
C) 3 
D) 5 
E) 7

Question 8

A US barrel is 4.21 cubic feet. Express this volume in liters.

Accepted Answer

A) 3.99 * 10-5 L 
B) 1.99 * 10-2 L 
C) 19.9 L 
D) 105 L 
E) 119 L 
A) 3.99 * 10-5 L 
B) 1.99 * 10-2 L 
C) 19.9 L 
D) 105 L 
E) 119 L

Question 9

After carrying out the following operations, how many significant figures are appropriate to show in the result? (13.7 + 0.027) /8.221

Accepted Answer

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

Question 10

All of the following are properties of sodium. Which one is a physical property of sodium?

Accepted Answer

A) It is surface turns black when first exposed to air. 
B) It is a solid at 25$\circ$C and changes to a liquid when heated to 98$\circ$C. 
C) When placed in water it sizzles and a gas is formed. 
D) When placed in contact with chlorine it forms a compound that melts at 801$\circ$C. 
E) Sodium is never found as the pure metal in nature. 
A) It is surface turns black when first exposed to air. 
B) It is a solid at 25$\circ$C and changes to a liquid when heated to 98$\circ$C. 
C) When placed in water it sizzles and a gas is formed. 
D) When placed in contact with chlorine it forms a compound that melts at 801$\circ$C. 
E) Sodium is never found as the pure metal in nature.

Question 11

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? (Given: 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 12

A nanometer corresponds to:

Accepted Answer

A) 10-2 meters. 
B) 10-3 meters. 
C) 10-6 meters. 
D) 10-9 meters. 
E) 10-12 meters. 
A) 10-2 meters. 
B) 10-3 meters. 
C) 10-6 meters. 
D) 10-9 meters. 
E) 10-12 meters.

Question 13

A person weighs 150 lb, and the correct dosage of a drug is given as 1.50 mg per kilogram of body weight.How many milligrams of the drug should be given? (2.20 lb = 1 kg)

Accepted Answer

The answer of A person weighs 150 lb, and the...

An aluminum beverage can contains 12.0 fluid ounces of liquid. Express this volume in liters. (1 fl oz = 29.6 mL)

The SI prefixes milli and mega represent, respectively:

What is the volume, in cubic centimeters, of a brick that is 4.0 in * 2.7 in * 8.0 in?

What are the common names for the three states of the compound water?

How many significant figures does the result of the following operation contain? 8.52010 * 7.9

How many significant figures does the difference 218.7201 - 218.63 contain?

A US barrel is 4.21 cubic feet. Express this volume in liters.

After carrying out the following operations, how many significant figures are appropriate to show in the result? (13.7 + 0.027) /8.221

All of the following are properties of sodium. Which one is a physical property of sodium?

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? (Given: density of physiological saline = 1.005 g/cm³)

A nanometer corresponds to:

A person weighs 150 lb, and the correct dosage of a drug is given as 1.50 mg per kilogram of body weight.How many milligrams of the drug should be given? (2.20 lb = 1 kg)

Atoms, Molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solution

Gases

Thermo-Chemistry

Quantum Theory and the Electronic Structure of Atoms

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Chemistry in the Atmosphere

Entropy, Free Energy, and Equilibrium

Electrochemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Nuclear Chemistry

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

Exam 1: Chemistry: The Study of Change

An aluminum beverage can contains 12.0 fluid ounces of liquid. Express this volume in liters. (1 fl oz = 29.6 mL)

The SI prefixes milli and mega represent, respectively:

What is the volume, in cubic centimeters, of a brick that is 4.0 in * 2.7 in * 8.0 in?

What are the common names for the three states of the compound water?

How many significant figures does the result of the following operation contain? 8.52010 * 7.9

How many significant figures does the difference 218.7201 - 218.63 contain?

A US barrel is 4.21 cubic feet. Express this volume in liters.

After carrying out the following operations, how many significant figures are appropriate to show in the result? (13.7 + 0.027) /8.221

All of the following are properties of sodium. Which one is a physical property of sodium?

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? (Given: density of physiological saline = 1.005 g/cm3)

A nanometer corresponds to:

A person weighs 150 lb, and the correct dosage of a drug is given as 1.50 mg per kilogram of body weight.How many milligrams of the drug should be given? (2.20 lb = 1 kg)

Atoms, Molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solution

Gases

Thermo-Chemistry

Quantum Theory and the Electronic Structure of Atoms

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Chemistry in the Atmosphere

Entropy, Free Energy, and Equilibrium

Electrochemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Nuclear Chemistry

Organic Chemistry

Synthetic and Natural Organic Polymers

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? (Given: density of physiological saline = 1.005 g/cm³)