Question 1

Portland cement is made from what materials?

Accepted Answer

A)  Oxides.  
B)  Sand and clay.  
C)  Crushed limestone  
D)  Only B and C, above.  
E)  A, B, and C, above.  
A)  Oxides.  
B)  Sand and clay.  
C)  Crushed limestone  
D)  Only B and C, above.  
E)  A, B, and C, above.

Question 2

Under what conditions do real gases act least like ideal gases?

Accepted Answer

A)  High temperatures and low pressures. 
B)  High pressures and low molar masses. 
C)  Low temperatures and high pressures. 
D)  High temperatures and high pressures. 
E)  Low temperatures and low pressures. 
A)  High temperatures and low pressures. 
B)  High pressures and low molar masses. 
C)  Low temperatures and high pressures. 
D)  High temperatures and high pressures. 
E)  Low temperatures and low pressures.

Question 3

How many calcium and fluorine ions are there in the fluorite unit cell shown below?

Accepted Answer

A)  4 CaS1U1P12+S1S1P0 and 2 FS1U1P1-2S1S1P0 
B)  4 CaS1U1P12+S1S1P0 and 8 FS1U1P1-S1S1P0 
C)  2 CaS1U1P12+S1S1P0 and 4 FS1U1P1-S1S1P0 
D)  2 CaS1U1P12+S1S1P0 and 8 FS1U1P1-S1S1P0 
E)  4 CaS1U1P12+S1S1P0 and 4 FS1U1P1-S1S1P0 
A)  4 CaS1U1P12+S1S1P0 and 2 FS1U1P1-2S1S1P0 
B)  4 CaS1U1P12+S1S1P0 and 8 FS1U1P1-S1S1P0 
C)  2 CaS1U1P12+S1S1P0 and 4 FS1U1P1-S1S1P0 
D)  2 CaS1U1P12+S1S1P0 and 8 FS1U1P1-S1S1P0 
E)  4 CaS1U1P12+S1S1P0 and 4 FS1U1P1-S1S1P0

Question 4

The empirical formula of a gas is CH3O .If 2.77 g of the gas occupies 1.00 L at exactly 0$\omicron $C at a pressure of 760 Torr, What is the molecular formula of the gas?

Accepted Answer

A)  C4H12O4  
B)  C2H6O2  
C)  C5H15O5  
D)  CH3O 
E)  C3H9O3  
A)  C4H12O4  
B)  C2H6O2  
C)  C5H15O5  
D)  CH3O 
E)  C3H9O3

Question 5

Glycerol,C3H8O3,has a higher viscosity than propanol,C3H8O.

Accepted Answer

A) True 
 B)False

Question 6

If the interaction between two species is proportional to 1/r2, which of the following is likely involved?

Accepted Answer

A)  Chloromethane molecules in the liquid phase 
B)  Na+ and H2O 
C)  Bromine molecules in the liquid phase 
D)  Chloromethane molecules in the gas phase 
E)  Ions in an ionic solid 
A)  Chloromethane molecules in the liquid phase 
B)  Na+ and H2O 
C)  Bromine molecules in the liquid phase 
D)  Chloromethane molecules in the gas phase 
E)  Ions in an ionic solid

Question 7

The height of water in a water barometer is 883 cm at 20S1U1P1$\omicron $S1S1P0C . The density of water at 20S1U1P1$\omicron $S1S1P0C is 0.998 g.cmS1U1P1-S1S1P0S1U1P13S1S1P0.What is the pressure?

Accepted Answer

A)  88.3 kPa 
B)  8.81 * 10S1U1P13S1S1P0 Pa 
C)  101 kPa 
D)  8.64 * 10S1U1P13S1S1P0 Pa 
E)  86.4 kPa 
A)  88.3 kPa 
B)  8.81 * 10S1U1P13S1S1P0 Pa 
C)  101 kPa 
D)  8.64 * 10S1U1P13S1S1P0 Pa 
E)  86.4 kPa

Question 8

How is boron nitride related to graphite?

Accepted Answer

A)  It has the same melting point.  
B)  Both are molecular solids.  
C)  Both have octagonal planes of atoms.  
D)  It is isoelectronic.  
E)  There is no direct relationship.  
A)  It has the same melting point.  
B)  Both are molecular solids.  
C)  Both have octagonal planes of atoms.  
D)  It is isoelectronic.  
E)  There is no direct relationship.

Question 9

Calculate the number of moles of oxygen gas collected by displacement of water at 14.0$\omicron $C if the atmospheric pressure is 790 .Torr and the volume is 5.00 L.The vapor pressure of water at 14.0$\omicron $C is 12.0 Torr.

Accepted Answer

A)  0.0184 
B)  4.46 
C)  0.00335 
D)  0.217 
E)  0.224 
A)  0.0184 
B)  4.46 
C)  0.00335 
D)  0.217 
E)  0.224

Question 10

Which of the following liquids has the lowest viscosity?

Accepted Answer

A)  Acetone 
B)  Ethanol 
C)  Phosphoric acid 
D)  Benzene 
A)  Acetone 
B)  Ethanol 
C)  Phosphoric acid 
D)  Benzene

Question 11

Metals are more malleable than other solids because:

Accepted Answer

A)  Groups of atoms do not respond to a blow. 
B)  When groups of electrons move in response to a blow, the cation array follows them. 
C)  When groups of atoms move in response to a blow, the electron sea follows them. 
D)  They are made of more than one type of atom. 
E)  Metals are not more malleable than other solids. 
A)  Groups of atoms do not respond to a blow. 
B)  When groups of electrons move in response to a blow, the cation array follows them. 
C)  When groups of atoms move in response to a blow, the electron sea follows them. 
D)  They are made of more than one type of atom. 
E)  Metals are not more malleable than other solids.

Question 12

In nano-materials,such as quantum dots, the broad band of energy may give rise to transitions in the visible region of the spectrum.

Accepted Answer

A) True 
 B)False

Question 13

In the zinc-blende structure (ZnS),the cations occupy half the tetrahedral holes.

Accepted Answer

A) True 
 B)False

Question 14

Calculate the pressure of 4.00 g of nitrogen gas in a 1.00-L container at 20.0S1U1P1$\circ$S1S1P0C.

Accepted Answer

A)  0.469 atm 
B)  6.87 atm 
C)  96.2 atm 
D)  0.235 atm 
E)  3.44 atm 
A)  0.469 atm 
B)  6.87 atm 
C)  96.2 atm 
D)  0.235 atm 
E)  3.44 atm

Question 15

Which of the following ions forms only anhydrous salts?

Accepted Answer

A)  Ba2+ 
B)  Na+ 
C)  Li+ 
D)  La3+ 
E)  K+ 
A)  Ba2+ 
B)  Na+ 
C)  Li+ 
D)  La3+ 
E)  K+

Question 16

The value of the gas law constant, R,In units of mS1U1P13S1S1P0.L.kPa.molS1U1P1-S1S1P0S1U1P11S1S1P0.KS1U1P1-S1S1P0S1U1P11S1S1P0is

Accepted Answer

A)  8.31 
B)  0.0821 
C)  7.62 
D)  0.0752 
E)  62.4 
A)  8.31 
B)  0.0821 
C)  7.62 
D)  0.0752 
E)  62.4

Question 17

What must a glass contain to qualify as borosilicate glass?

Accepted Answer

A)  Na2O  
B)  CaO  
C)  Na3B  
D)  B2O3   
E)  BN  
A)  Na2O  
B)  CaO  
C)  Na3B  
D)  B2O3   
E)  BN

Question 18

If a cubic unit cell of an ionic compound has A cations at the corners and the face centers and X anions in the centers of the edges, what is the empirical formula of the compound?

Accepted Answer

A)  AX 
B)  A4X3 
C)  AX2 
D)  A2X3 
E)  A2X 
A)  AX 
B)  A4X3 
C)  AX2 
D)  A2X3 
E)  A2X

Question 19

Calculate the mass of sulfur hexafluoride in a 2.00 L container at a pressure of 4.00 atm and a temperature of 78.0S1U1P1$\omicron $S1S1P0C .
The molar mass of sulfur hexafluoride is 146.1 g.molS1U1P1-1S1S1P0.

Accepted Answer

A)  0.401 g 
B)  40.6 g 
C)  73.1 g 
D)  36.6 g 
E)  183 g 
A)  0.401 g 
B)  40.6 g 
C)  73.1 g 
D)  36.6 g 
E)  183 g

Question 20

The density of citronellal, a mosquito repellant,Is 1.45 g.LS1U1P1-S1S1P0S1U1P11S1S1P0 at 365S1U1P1$\omicron $S1S1P0C and 50.0 kPa.What is the molar mass of citronellal?

Accepted Answer

A)  73.2 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
B)  154 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
C)  95.7 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
D)  37.5 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
E)  88.0 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
A)  73.2 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
B)  154 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
C)  95.7 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
D)  37.5 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
E)  88.0 g.molS1U1P1-S1S1P0S1U1P11S1S1P0

Portland cement is made from what materials?

Under what conditions do real gases act least like ideal gases?

How many calcium and fluorine ions are there in the fluorite unit cell shown below?

The empirical formula of a gas is CH₃O .If 2.77 g of the gas occupies 1.00 L at exactly 0^$\omicron$C at a pressure of 760 Torr, What is the molecular formula of the gas?

Glycerol,C₃H₈O₃,has a higher viscosity than propanol,C₃H₈O.

If the interaction between two species is proportional to 1/r², which of the following is likely involved?

The height of water in a water barometer is 883 cm at 20^$\omicron$C . The density of water at 20^$\omicron$C is 0.998 g.cm^-³.What is the pressure?

How is boron nitride related to graphite?

Calculate the number of moles of oxygen gas collected by displacement of water at 14.0^$\omicron$C if the atmospheric pressure is 790 .Torr and the volume is 5.00 L.The vapor pressure of water at 14.0^$\omicron$C is 12.0 Torr.

Which of the following liquids has the lowest viscosity?

Metals are more malleable than other solids because:

In nano-materials,such as quantum dots, the broad band of energy may give rise to transitions in the visible region of the spectrum.

In the zinc-blende structure (ZnS),the cations occupy half the tetrahedral holes.

Calculate the pressure of 4.00 g of nitrogen gas in a 1.00-L container at 20.0^$\circ$C.

Which of the following ions forms only anhydrous salts?

The value of the gas law constant, R,In units of m³.L.kPa.mol^-¹.K^-¹is

What must a glass contain to qualify as borosilicate glass?

If a cubic unit cell of an ionic compound has A cations at the corners and the face centers and X anions in the centers of the edges, what is the empirical formula of the compound?

Calculate the mass of sulfur hexafluoride in a 2.00 L container at a pressure of 4.00 atm and a temperature of 78.0^$\omicron$C . The molar mass of sulfur hexafluoride is 146.1 g.mol^-1.

The density of citronellal, a mosquito repellant,Is 1.45 g.L^-¹ at 365^$\omicron$C and 50.0 kPa.What is the molar mass of citronellal?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 3: States of Matter

Portland cement is made from what materials?

Under what conditions do real gases act least like ideal gases?

How many calcium and fluorine ions are there in the fluorite unit cell shown below?

The empirical formula of a gas is CH3O .If 2.77 g of the gas occupies 1.00 L at exactly 0 ο\omicron ο C at a pressure of 760 Torr, What is the molecular formula of the gas?

Glycerol,C3H8O3,has a higher viscosity than propanol,C3H8O.

If the interaction between two species is proportional to 1/r2, which of the following is likely involved?

The height of water in a water barometer is 883 cm at 20 ο\omicron ο C . The density of water at 20 ο\omicron ο C is 0.998 g.cm-3.What is the pressure?

How is boron nitride related to graphite?

Calculate the number of moles of oxygen gas collected by displacement of water at 14.0 ο\omicron ο C if the atmospheric pressure is 790 .Torr and the volume is 5.00 L.The vapor pressure of water at 14.0 ο\omicron ο C is 12.0 Torr.

Which of the following liquids has the lowest viscosity?

Metals are more malleable than other solids because:

In nano-materials,such as quantum dots, the broad band of energy may give rise to transitions in the visible region of the spectrum.

In the zinc-blende structure (ZnS),the cations occupy half the tetrahedral holes.

Calculate the pressure of 4.00 g of nitrogen gas in a 1.00-L container at 20.0 ∘\circ∘ C.

Which of the following ions forms only anhydrous salts?

The value of the gas law constant, R,In units of m3.L.kPa.mol-1.K-1is

What must a glass contain to qualify as borosilicate glass?

If a cubic unit cell of an ionic compound has A cations at the corners and the face centers and X anions in the centers of the edges, what is the empirical formula of the compound?

Calculate the mass of sulfur hexafluoride in a 2.00 L container at a pressure of 4.00 atm and a temperature of 78.0 ο\omicron ο C . The molar mass of sulfur hexafluoride is 146.1 g.mol-1.

The density of citronellal, a mosquito repellant,Is 1.45 g.L-1 at 365 ο\omicron ο C and 50.0 kPa.What is the molar mass of citronellal?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

The empirical formula of a gas is CH₃O .If 2.77 g of the gas occupies 1.00 L at exactly 0^$\omicron$C at a pressure of 760 Torr, What is the molecular formula of the gas?

Glycerol,C₃H₈O₃,has a higher viscosity than propanol,C₃H₈O.

If the interaction between two species is proportional to 1/r², which of the following is likely involved?

The height of water in a water barometer is 883 cm at 20^$\omicron$C . The density of water at 20^$\omicron$C is 0.998 g.cm^-³.What is the pressure?

Calculate the number of moles of oxygen gas collected by displacement of water at 14.0^$\omicron$C if the atmospheric pressure is 790 .Torr and the volume is 5.00 L.The vapor pressure of water at 14.0^$\omicron$C is 12.0 Torr.

Calculate the pressure of 4.00 g of nitrogen gas in a 1.00-L container at 20.0^$\circ$C.

The value of the gas law constant, R,In units of m³.L.kPa.mol^-¹.K^-¹is

Calculate the mass of sulfur hexafluoride in a 2.00 L container at a pressure of 4.00 atm and a temperature of 78.0^$\omicron$C . The molar mass of sulfur hexafluoride is 146.1 g.mol^-1.

The density of citronellal, a mosquito repellant,Is 1.45 g.L^-¹ at 365^$\omicron$C and 50.0 kPa.What is the molar mass of citronellal?