Question 1

Identify the freezing point of water.

Accepted Answer

A)  373 Kelvin 
B)  32 degrees Fahrenheit 
C)  -273 degrees Celsius 
D)  None of the above 
A)  373 Kelvin 
B)  32 degrees Fahrenheit 
C)  -273 degrees Celsius 
D)  None of the above

Question 2

Identify the TRUE statement.

Accepted Answer

A)  Hydrogen peroxide is used as rocket fuel and removes color from hair. 
B)  Hydrogen peroxide can be used as a drink and can be used to bathe in. 
C)  Both water and hydrogen peroxide are stable molecules. 
D)  Water reacts with skin. 
E)  Hydrogen peroxide is smaller than water. 
A)  Hydrogen peroxide is used as rocket fuel and removes color from hair. 
B)  Hydrogen peroxide can be used as a drink and can be used to bathe in. 
C)  Both water and hydrogen peroxide are stable molecules. 
D)  Water reacts with skin. 
E)  Hydrogen peroxide is smaller than water.

Question 3

Kelvin is a measure of

Accepted Answer

A)  temperature. 
B)  mass. 
C)  time. 
D)  length. 
E)  volume. 
A)  temperature. 
B)  mass. 
C)  time. 
D)  length. 
E)  volume.

Question 4

Which of the following statements about energy is FALSE?

Accepted Answer

A)  Energy can be converted from one type to another. 
B)  The total energy of a system remains constant. 
C)  Kinetic energy is the energy associated with its position or composition. 
D)  Energy is the capacity to do work. 
E)  Systems tend to change in order to lower their potential energy. 
A)  Energy can be converted from one type to another. 
B)  The total energy of a system remains constant. 
C)  Kinetic energy is the energy associated with its position or composition. 
D)  Energy is the capacity to do work. 
E)  Systems tend to change in order to lower their potential energy.

Question 5

Identify the largest measurement.

Accepted Answer

A)  attoL 
B)  microL 
C)  deciL 
D)  gigaL 
E)  petaL 
A)  attoL 
B)  microL 
C)  deciL 
D)  gigaL 
E)  petaL

Question 6

Identify the unit of measurement which is a SI base unit of measurement.

Accepted Answer

A)  meter 
B)  Celsius 
C)  quart 
D)  gram 
E)  kilometer 
A)  meter 
B)  Celsius 
C)  quart 
D)  gram 
E)  kilometer

Question 7

What symbol is used to represent the factor 10-3?

Accepted Answer

A)  M 
B)  m 
C)  μ 
D)  n 
A)  M 
B)  m 
C)  μ 
D)  n

Question 8

The mass of a single arsenic atom is 1.244 × 10-22 g.This is the same mass as

Accepted Answer

A)  1.244 × 10-16 mg. 
B)  1.244 × 10-25 kg. 
C)  1.244 × 10-28 μg. 
D)  1.244 × 10-31 ng. 
A)  1.244 × 10-16 mg. 
B)  1.244 × 10-25 kg. 
C)  1.244 × 10-28 μg. 
D)  1.244 × 10-31 ng.

Question 9

If an object has a density of 4.00 g/cm3,what is its density in units of kg/m3?

Accepted Answer

A)  4.00 × 10-3 kg/m3 
B)  4.00 × 10-7 kg/m3 
C)  4.00 × 103 kg/m3 
D)  4.00 × 101 kg/m3 
E)  4.00 × 10-1 kg/m3 
A)  4.00 × 10-3 kg/m3 
B)  4.00 × 10-7 kg/m3 
C)  4.00 × 103 kg/m3 
D)  4.00 × 101 kg/m3 
E)  4.00 × 10-1 kg/m3

Question 10

A sample of liquid isopropyl alcohol is placed in a sealed container.Some of the volatile isopropyl alcohol vaporizes.Does the mass of the sealed container and its contents change during the vaporization? Explain.

Accepted Answer

No.The vaporized isopropyl alcohol is ju

Question 11

A student performs an experiment to determine the density of a sugar solution.She obtains the following results: 1.07 g/mL,1.81 g/mL,1.93 g/mL,and 1.75 g/mL.If the actual value for the density of the sugar solution is 1.75 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 12

The correct answer (reported to the proper number of significant figures)to the following is: (1612 - 1501)× (8.56 × 8.86)= ________

Accepted Answer

A)  8.4 × 103 
B)  -1.1 × 105 
C)  1.7 × 105 
D)  2.0 × 103 
E)  1.6 × 104 
A)  8.4 × 103 
B)  -1.1 × 105 
C)  1.7 × 105 
D)  2.0 × 103 
E)  1.6 × 104

Question 13

How many of the following numbers contain 3 significant figures? 0.509 9.040 0.0300 7.03 × 1024

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
A)  one 
B)  two 
C)  three 
D)  four

Question 14

What answer should be reported,with the correct number of significant figures,for the following calculation? (433.621 - 333.9)× 11.900

Accepted Answer

A)  1.19 × 103 
B)  1.187 × 103 
C)  1.1868 × 103 
D)  1.18680 × 103 
E)  1.186799 × 103 
A)  1.19 × 103 
B)  1.187 × 103 
C)  1.1868 × 103 
D)  1.18680 × 103 
E)  1.186799 × 103

Question 15

The outside temperature is 35°C.What is the temperature in K?

Accepted Answer

A)  -238 K 
B)  308 K 
C)  95 K 
D)  31 K 
E)  63 K 
A)  -238 K 
B)  308 K 
C)  95 K 
D)  31 K 
E)  63 K

Question 16

Identify a liquid.

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 17

Diamond is an example of

Accepted Answer

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

Question 18

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

Accepted Answer

A)  7.000 ft. 
B)  84.00 ft. 
C)  17.80 ft. 
D)  45.20 ft. 
E)  1009 ft. 
A)  7.000 ft. 
B)  84.00 ft. 
C)  17.80 ft. 
D)  45.20 ft. 
E)  1009 ft.

Question 19

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

Question 20

Choose the homogeneous mixture from the list below.

Accepted Answer

A)  cola float 
B)  wine 
C)  concrete 
D)  trail mix 
E)  chunky spaghetti sauce 
A)  cola float 
B)  wine 
C)  concrete 
D)  trail mix 
E)  chunky spaghetti sauce

Exam 1: Matter, measurement, and Problem Solving

Identify the freezing point of water.

Identify the TRUE statement.

Kelvin is a measure of

Which of the following statements about energy is FALSE?

Identify the largest measurement.

Identify the unit of measurement which is a SI base unit of measurement.

What symbol is used to represent the factor 10-3?

The mass of a single arsenic atom is 1.244 × 10-22 g.This is the same mass as

If an object has a density of 4.00 g/cm3,what is its density in units of kg/m3?

A sample of liquid isopropyl alcohol is placed in a sealed container.Some of the volatile isopropyl alcohol vaporizes.Does the mass of the sealed container and its contents change during the vaporization? Explain.

A student performs an experiment to determine the density of a sugar solution.She obtains the following results: 1.07 g/mL,1.81 g/mL,1.93 g/mL,and 1.75 g/mL.If the actual value for the density of the sugar solution is 1.75 g/mL,which statement below best describes her results?

The correct answer (reported to the proper number of significant figures)to the following is: (1612 - 1501)× (8.56 × 8.86)= ________

How many of the following numbers contain 3 significant figures? 0.509 9.040 0.0300 7.03 × 1024

What answer should be reported,with the correct number of significant figures,for the following calculation? (433.621 - 333.9)× 11.900

The outside temperature is 35°C.What is the temperature in K?

Identify a liquid.

Diamond is an example of

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

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

Choose the homogeneous mixture from the list below.

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

What symbol is used to represent the factor 10^-3?

The mass of a single arsenic atom is 1.244 × 10^-22 g.This is the same mass as

If an object has a density of 4.00 g/cm³,what is its density in units of kg/m³?

How many of the following numbers contain 3 significant figures? 0.509 9.040 0.0300 7.03 × 10²⁴

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