Question 1

What is the difference between a physical property and a chemical property? Give an example of each.

Accepted Answer

A physical property is something that ca

Question 2

Identify a gas.

Accepted Answer

A)  silver 
B)  mercury 
C)  hydrogen 
D)  iron 
E)  phosphorus 
A)  silver 
B)  mercury 
C)  hydrogen 
D)  iron 
E)  phosphorus

Question 3

The statement,"In a chemical reaction,matter is neither created nor destroyed" is called

Accepted Answer

A)  the Law of Conservation of Mass. 
B)  Dalton's Atomic Theory. 
C)  the Scientific Method. 
D)  the Law of Multiple Proportions. 
E)  the Law of Definite Proportions. 
A)  the Law of Conservation of Mass. 
B)  Dalton's Atomic Theory. 
C)  the Scientific Method. 
D)  the Law of Multiple Proportions. 
E)  the Law of Definite Proportions.

Question 4

Identify a state of matter.

Accepted Answer

A)  melting point 
B)  solid 
C)  odor 
D)  volume 
E)  density 
A)  melting point 
B)  solid 
C)  odor 
D)  volume 
E)  density

Question 5

The estimated costs for remodeling the interior of an apartment are: three 1-gallon cans of paint at $13.22 each,two paint brushes at $12.22 each,and $145 for a helper.The total estimated cost with the appropriate significant figures is $________.

Accepted Answer

A)  209.10 
B)  2.1 × 102 
C)  209 
D)  2 × 102 
E)  209.1 
A)  209.10 
B)  2.1 × 102 
C)  209 
D)  2 × 102 
E)  209.1

Question 6

Read the temperature with the correct number of significant figures.

Accepted Answer

A)  87°C 
B)  87.2°C 
C)  87.20°C 
D)  87.200°C 
E)  87.2000°C 
A)  87°C 
B)  87.2°C 
C)  87.20°C 
D)  87.200°C 
E)  87.2000°C

Question 7

Identify the common substance that has the lowest density.

Accepted Answer

A)  water 
B)  titanium 
C)  copper 
D)  sugar 
E)  gold 
A)  water 
B)  titanium 
C)  copper 
D)  sugar 
E)  gold

Question 8

Identify the smallest measurement.

Accepted Answer

A)  attometer 
B)  nanometer 
C)  centimeter 
D)  megameter 
E)  petameter 
A)  attometer 
B)  nanometer 
C)  centimeter 
D)  megameter 
E)  petameter

Question 9

How many significant figures are in the measurement,0.003800 g?

Accepted Answer

A)  4 
B)  5 
C)  6 
D)  7 
E)  8 
A)  4 
B)  5 
C)  6 
D)  7 
E)  8

Question 10

A person is 1.721 yards tall.How tall is he in cm?

Accepted Answer

A)  157.4 cm 
B)  24.39 cm 
C)  0.1214 cm 
D)  4.371 cm 
E)  13.11 cm 
A)  157.4 cm 
B)  24.39 cm 
C)  0.1214 cm 
D)  4.371 cm 
E)  13.11 cm

Question 11

Which of the following statements about crystalline and amorphous solids is TRUE?

Accepted Answer

A)  A crystalline solid is composed of atoms or molecules arranged with long-range repeating order. 
B)  An example of a crystalline solid is glass. 
C)  An example of an amorphous solid is table salt (NaCl). 
D)  An amorphous solid is composed of atoms or molecules with a majority of its volume empty. 
E)  All of the above statements are TRUE. 
A)  A crystalline solid is composed of atoms or molecules arranged with long-range repeating order. 
B)  An example of a crystalline solid is glass. 
C)  An example of an amorphous solid is table salt (NaCl). 
D)  An amorphous solid is composed of atoms or molecules with a majority of its volume empty. 
E)  All of the above statements are TRUE.

Question 12

Identify the shortest length.

Accepted Answer

A)  3.10 ft 
B)  37.0 in 
C)  1.02 yd 
D)  1.00 m 
E)  91.44 cm 
A)  3.10 ft 
B)  37.0 in 
C)  1.02 yd 
D)  1.00 m 
E)  91.44 cm

Question 13

A student performs an experiment to determine the density of a sugar solution.She obtains the following results: 1.70 g/mL,1.73 g/mL,1.66 g/mL,1.68 g/mL.If the actual value for the density of the sugar solution is 1.40 g/mL,which statement below best describes her results?

Accepted Answer

A)  Her results are precise, but not accurate. 
B)  Her results are accurate, but not precise. 
C)  Her results are both precise and accurate 
D)  Her results are neither precise nor accurate. 
E)  It isn't possible to determine with the information given. 
A)  Her results are precise, but not accurate. 
B)  Her results are accurate, but not precise. 
C)  Her results are both precise and accurate 
D)  Her results are neither precise nor accurate. 
E)  It isn't possible to determine with the information given.

Question 14

How many significant figures are in 0.00226500 mL?

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  6 
E)  7 
A)  3 
B)  4 
C)  5 
D)  6 
E)  7

Question 15

Identify a solid.

Accepted Answer

A)  definite volume and definite shape 
B)  definite volume and no definite shape 
C)  definite shape and no definite volume 
D)  no definite shape and no definite volume 
A)  definite volume and definite shape 
B)  definite volume and no definite shape 
C)  definite shape and no definite volume 
D)  no definite shape and no definite volume

Question 16

Without using a calculator,solve the following problem:

Accepted Answer

A)  1 × 10-6 
B)  1 × 104 
C)  1 × 1024 
D)  1 × 1034 
A)  1 × 10-6 
B)  1 × 104 
C)  1 × 1024 
D)  1 × 1034

Question 17

If 1.4% of the mass of a human body is calcium,how many kilograms of calcium are there in a 165-pound man?

Accepted Answer

A)  1.0 kg Ca 
B)  5.1 kg Ca 
C)  1.0 × 102 kg Ca 
D)  5.1 × 102 kg Ca 
A)  1.0 kg Ca 
B)  5.1 kg Ca 
C)  1.0 × 102 kg Ca 
D)  5.1 × 102 kg Ca

Question 18

The width,length,and height of a large,custom-made shipping crate are 1.32 m,2.50 m,and 0.83 m,respectively.The volume of the box using the correct number of significant figures is ________ m3.

Accepted Answer

A)  2.73900 
B)  2.7 
C)  2.74 
D)  2.739 
E)  2.7390 
A)  2.73900 
B)  2.7 
C)  2.74 
D)  2.739 
E)  2.7390

Question 19

How many liters of wine can be held in a wine barrel whose capacity is 28.0 gal? 1 gal = 4 qt = 3.7854 L.

Accepted Answer

A)  1.35 × 10-4 
B)  0.135 
C)  106 
D)  7.40 × 103 
E)  7.40 
A)  1.35 × 10-4 
B)  0.135 
C)  106 
D)  7.40 × 103 
E)  7.40

Question 20

A piece of metal ore weighs 9.00 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)  0.340 g/mL 
B)  0.580 g/mL 
C)  1.72 g/mL 
D)  2.94 g/mL 
A)  0.340 g/mL 
B)  0.580 g/mL 
C)  1.72 g/mL 
D)  2.94 g/mL

Exam 1: Matter, measurement, and Problem Solving

What is the difference between a physical property and a chemical property? Give an example of each.

Identify a gas.

The statement,"In a chemical reaction,matter is neither created nor destroyed" is called

Identify a state of matter.

The estimated costs for remodeling the interior of an apartment are: three 1-gallon cans of paint at $13.22 each,two paint brushes at $12.22 each,and $145 for a helper.The total estimated cost with the appropriate significant figures is $________.

Read the temperature with the correct number of significant figures.

Identify the common substance that has the lowest density.

Identify the smallest measurement.

How many significant figures are in the measurement,0.003800 g?

A person is 1.721 yards tall.How tall is he in cm?

Which of the following statements about crystalline and amorphous solids is TRUE?

Identify the shortest length.

A student performs an experiment to determine the density of a sugar solution.She obtains the following results: 1.70 g/mL,1.73 g/mL,1.66 g/mL,1.68 g/mL.If the actual value for the density of the sugar solution is 1.40 g/mL,which statement below best describes her results?

How many significant figures are in 0.00226500 mL?

Identify a solid.

Without using a calculator,solve the following problem:

If 1.4% of the mass of a human body is calcium,how many kilograms of calcium are there in a 165-pound man?

The width,length,and height of a large,custom-made shipping crate are 1.32 m,2.50 m,and 0.83 m,respectively.The volume of the box using the correct number of significant figures is ________ m3.

How many liters of wine can be held in a wine barrel whose capacity is 28.0 gal? 1 gal = 4 qt = 3.7854 L.

A piece of metal ore weighs 9.00 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?

Atoms and Elements

Molecules,compounds,and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes,valence Bond Theory,

Liquids,solids,and Intermolecular Forces

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

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

The width,length,and height of a large,custom-made shipping crate are 1.32 m,2.50 m,and 0.83 m,respectively.The volume of the box using the correct number of significant figures is ________ m³.