Question 1

Upon what are silicates based?

Accepted Answer

A)  Repeating silicon chains. 
B)  Repeating silicon layers. 
C)  SiO4 units. 
D)  SiO3 units. 
E)  SiO5 units. 
A)  Repeating silicon chains. 
B)  Repeating silicon layers. 
C)  SiO4 units. 
D)  SiO3 units. 
E)  SiO5 units.

Question 2

What is the formula of the superconductor whose unit cell is shown below?
(The Y and Ba atoms are in the middle of the cell.)

Accepted Answer

A)  YBa2Cu3O9  
B)  YBa2Cu4O5  
C)  YBa2Cu2O7  
D)  YBa2Cu4O7  
E)  YBa2Cu3O7  
A)  YBa2Cu3O9  
B)  YBa2Cu4O5  
C)  YBa2Cu2O7  
D)  YBa2Cu4O7  
E)  YBa2Cu3O7

Question 3

A sample of gas with a volume of 750 mL exerts a pressure of 98.0 kPa at 30S1U1P1$\omicron $S1S1P0C . What pressure will the sample exert when it is compressed to 250 mL and cooled to -25S1U1P1$\omicron $S1S1P0C?

Accepted Answer

A)  353 kPa 
B)  241 kPa 
C)  359 kPa 
D)  39.9 kPa 
E)  26.7 kPa 
A)  353 kPa 
B)  241 kPa 
C)  359 kPa 
D)  39.9 kPa 
E)  26.7 kPa

Question 4

How many octahedral holes are there in a face-centered cubic unit cell?

Accepted Answer

A)  6 
B)  13 
C)  12 
D)  4 
E)  8 
A)  6 
B)  13 
C)  12 
D)  4 
E)  8

Question 5

What is the density of chlorine gas at 850 Torr and -12S1U1P1$\circ$S1S1P0C?

Accepted Answer

A)  27.8 g.LS1U1P1-1 S1S1P0 
B)  3.70 g.LS1U1P1-1 S1S1P0 
C)  3.39 g.LS1U1P1-1 S1S1P0 
D)  7.40 g.LS1U1P1-1 S1S1P0 
E)  1.85 g.LS1U1P1-1 S1S1P0 
A)  27.8 g.LS1U1P1-1 S1S1P0 
B)  3.70 g.LS1U1P1-1 S1S1P0 
C)  3.39 g.LS1U1P1-1 S1S1P0 
D)  7.40 g.LS1U1P1-1 S1S1P0 
E)  1.85 g.LS1U1P1-1 S1S1P0

Question 6

Which molecules of the following gases will have the greatest average kinetic energy?

Accepted Answer

A)  CO2 at 1 atm and 298 K 
B)  N2 at 1 atm and 298 K 
C)  All the molecules have the same kinetic energy. 
D)  He at 0.1 atm and 298 K 
E)  H2 at 0.5 atm and 298 K 
A)  CO2 at 1 atm and 298 K 
B)  N2 at 1 atm and 298 K 
C)  All the molecules have the same kinetic energy. 
D)  He at 0.1 atm and 298 K 
E)  H2 at 0.5 atm and 298 K

Question 7

At 80.0S1U1P1$\omicron $S1S1P0C and 12.0 Torr, the density of camphor vapor is 0.0829 g.LS1U1P1-S1S1P0S1U1P11S1S1P0.What is the molar mass of camphor?

Accepted Answer

A)  243 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
B)  34.5 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
C)  152 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
D)  3490 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
E)  20.3 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
A)  243 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
B)  34.5 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
C)  152 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
D)  3490 g.molS1U1P1-S1S1P0S1U1P11S1S1P0 
E)  20.3 g.molS1U1P1-S1S1P0S1U1P11S1S1P0

Question 8

What is the coordination number of silver in AgCl? The ionic radii of AgS1U1P1+S1S1P0 and ClS1U1P1-S1S1P0 are 113 and 181 pm, respectively.

Accepted Answer

A)  4 
B)  2 
C)  6 
D)  8 
E)  12 
A)  4 
B)  2 
C)  6 
D)  8 
E)  12

Question 9

Which of the following gases would not be expected to cool as it expands?

Accepted Answer

A)  NH3  
B)  Cl2  
C)  Xe 
D)  H2O 
E)  He 
A)  NH3  
B)  Cl2  
C)  Xe 
D)  H2O 
E)  He

Question 10

How does limestone react to acidic solutions?

Accepted Answer

A)  Acids harden it. 
B)  It reacts very swiftly. 
C)  It tends to dissolve. 
D)  It is resistant. 
E)  It neutralizes acids. 
A)  Acids harden it. 
B)  It reacts very swiftly. 
C)  It tends to dissolve. 
D)  It is resistant. 
E)  It neutralizes acids.

Question 11

Calculate the density of camphor, CS1U1B110S1U1B0HS1U1B116S1U1B0O, At 80S1U1P1$\omicron $S1S1P0C and 12 Torr.

Accepted Answer

A)  8.2 * 10S1U1P1-4S1S1P0 g.LS1U1P1-S1S1P0S1U1P11S1S1P0 
B)  0.083 g.LS1U1P1-S1S1P0S1U1P11S1S1P0 
C)  0.37 g.LS1U1P1-S1S1P0S1U1P11S1S1P0 
D)  0.62 g.LS1U1P1-S1S1P0S1U1P11S1S1P0 
E)  6.8 * 10S1U1P1-3S1S1P0 g.LS1U1P1-S1S1P0S1U1P11S1S1P0 
A)  8.2 * 10S1U1P1-4S1S1P0 g.LS1U1P1-S1S1P0S1U1P11S1S1P0 
B)  0.083 g.LS1U1P1-S1S1P0S1U1P11S1S1P0 
C)  0.37 g.LS1U1P1-S1S1P0S1U1P11S1S1P0 
D)  0.62 g.LS1U1P1-S1S1P0S1U1P11S1S1P0 
E)  6.8 * 10S1U1P1-3S1S1P0 g.LS1U1P1-S1S1P0S1U1P11S1S1P0

Question 12

What is the minimum pressure and temperature for diamond formation?

Accepted Answer

A)  8kbar, 150S1U1P1$\circ$S1S1P0C 
B)  800kbar, 15,000S1U1P1$\circ$S1S1P0C 
C)  80 kbar, 15,000S1U1P1$\circ$S1S1P0C 
D)  800kbar, 1,500S1U1P1$\circ$S1S1P0C 
E)  80kbar, 1,500S1U1P1$\circ$S1S1P0C 
A)  8kbar, 150S1U1P1$\circ$S1S1P0C 
B)  800kbar, 15,000S1U1P1$\circ$S1S1P0C 
C)  80 kbar, 15,000S1U1P1$\circ$S1S1P0C 
D)  800kbar, 1,500S1U1P1$\circ$S1S1P0C 
E)  80kbar, 1,500S1U1P1$\circ$S1S1P0C

Question 13

What makes phosphors glow?

Accepted Answer

A)  Electron impacts. 
B)  Plasma discharges.  
C)  Irradiation with UV  
D)  Both A and C, above.  
E)  None of the above.  
A)  Electron impacts. 
B)  Plasma discharges.  
C)  Irradiation with UV  
D)  Both A and C, above.  
E)  None of the above.

Question 14

A 1.00-L sample ofC2H4(g) at 2.00 atm and 293 K is burned in 8.00 L of oxygen gas at the same temperature and pressure to form carbon dioxide and water.If the reaction goes to completion,What is the final volume of all gases at 2.00 atm and 293 K?

Accepted Answer

A)  5.33 L 
B)  9.00 L 
C)  8.00 L 
D)  3.00 L 
E)  5.00 L 
A)  5.33 L 
B)  9.00 L 
C)  8.00 L 
D)  3.00 L 
E)  5.00 L

Question 15

How does conduction in a semi-conductor compare to that in a metal?

Accepted Answer

A)  It is better. 
B)  It is worse. 
C)  It is very nearly the same. 
D)  It is higher at low temperatures, and lower at high temperatures. 
A)  It is better. 
B)  It is worse. 
C)  It is very nearly the same. 
D)  It is higher at low temperatures, and lower at high temperatures.

Question 16

What are all the intermolecular forces that are responsible for the existence of ice?

Accepted Answer

A)  Dipole-dipole and London forces 
B)  London forces 
C)  Dipole-dipole, London forces, and hydrogen bonding 
D)  Dipole-dipole and ion-ion 
E)  Hydrogen bonding and dipole-dipole 
A)  Dipole-dipole and London forces 
B)  London forces 
C)  Dipole-dipole, London forces, and hydrogen bonding 
D)  Dipole-dipole and ion-ion 
E)  Hydrogen bonding and dipole-dipole

Question 17

How is bonding in solids best described?

Accepted Answer

A)  Bands of atomic orbitals. 
B)  Bands of molecular orbitals. 
C)  A conduction band overlapping a valence band. 
D)  A conduction band overlapping a band gap. 
A)  Bands of atomic orbitals. 
B)  Bands of molecular orbitals. 
C)  A conduction band overlapping a valence band. 
D)  A conduction band overlapping a band gap.

Question 18

What is the density of helium gas at 750 kPa and 25S1U1P1$\circ$S1S1P0C?

Accepted Answer

A)  2.42 g.LS1U1P1-1 S1S1P0 
B)  1.21 g.LS1U1P1-1 S1S1P0 
C)  0.605 g.LS1U1P1-1 S1S1P0 
D)  0.161 g.LS1U1P1-1 S1S1P0 
E)  0.0120 g.LS1U1P1-1 S1S1P0 
A)  2.42 g.LS1U1P1-1 S1S1P0 
B)  1.21 g.LS1U1P1-1 S1S1P0 
C)  0.605 g.LS1U1P1-1 S1S1P0 
D)  0.161 g.LS1U1P1-1 S1S1P0 
E)  0.0120 g.LS1U1P1-1 S1S1P0

Question 19

What does "sintering" mean?

Accepted Answer

A)  Mixing finely divided metal powders and pressing in a mold. 
B)  Mixing molten metals and pressing in a mold. 
C)  Mixing finely divided metal powders in a stream of oxygen. 
D)  Mixing molten metals in a stream of oxygen. 
E)  Adding one metal on top of another metal. 
A)  Mixing finely divided metal powders and pressing in a mold. 
B)  Mixing molten metals and pressing in a mold. 
C)  Mixing finely divided metal powders in a stream of oxygen. 
D)  Mixing molten metals in a stream of oxygen. 
E)  Adding one metal on top of another metal.

Question 20

What do the current high temperature superconductors have in common?

Accepted Answer

A)  They are all metals.  
B)  They are all non-metals.  
C)  They are all undoped materials.  
D)  They are ceramic oxides.  
E)  Nothing. There is nothing in common.  
A)  They are all metals.  
B)  They are all non-metals.  
C)  They are all undoped materials.  
D)  They are ceramic oxides.  
E)  Nothing. There is nothing in common.

Upon what are silicates based?

What is the formula of the superconductor whose unit cell is shown below? (The Y and Ba atoms are in the middle of the cell.)

A sample of gas with a volume of 750 mL exerts a pressure of 98.0 kPa at 30^$\omicron$C . What pressure will the sample exert when it is compressed to 250 mL and cooled to -25^$\omicron$C?

How many octahedral holes are there in a face-centered cubic unit cell?

What is the density of chlorine gas at 850 Torr and -12^$\circ$C?

Which molecules of the following gases will have the greatest average kinetic energy?

At 80.0^$\omicron$C and 12.0 Torr, the density of camphor vapor is 0.0829 g.L^-¹.What is the molar mass of camphor?

What is the coordination number of silver in AgCl? The ionic radii of Ag⁺ and Cl^- are 113 and 181 pm, respectively.

Which of the following gases would not be expected to cool as it expands?

How does limestone react to acidic solutions?

Calculate the density of camphor, C₁₀H₁₆O, At 80^$\omicron$C and 12 Torr.

What is the minimum pressure and temperature for diamond formation?

What makes phosphors glow?

A 1.00-L sample ofC₂H₄(g) at 2.00 atm and 293 K is burned in 8.00 L of oxygen gas at the same temperature and pressure to form carbon dioxide and water.If the reaction goes to completion,What is the final volume of all gases at 2.00 atm and 293 K?

How does conduction in a semi-conductor compare to that in a metal?

What are all the intermolecular forces that are responsible for the existence of ice?

How is bonding in solids best described?

What is the density of helium gas at 750 kPa and 25^$\circ$C?

What does "sintering" mean?

What do the current high temperature superconductors have in common?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 3: States of Matter

Upon what are silicates based?

What is the formula of the superconductor whose unit cell is shown below? (The Y and Ba atoms are in the middle of the cell.)

A sample of gas with a volume of 750 mL exerts a pressure of 98.0 kPa at 30 ο\omicron ο C . What pressure will the sample exert when it is compressed to 250 mL and cooled to -25 ο\omicron ο C?

How many octahedral holes are there in a face-centered cubic unit cell?

What is the density of chlorine gas at 850 Torr and -12 ∘\circ∘ C?

Which molecules of the following gases will have the greatest average kinetic energy?

At 80.0 ο\omicron ο C and 12.0 Torr, the density of camphor vapor is 0.0829 g.L-1.What is the molar mass of camphor?

What is the coordination number of silver in AgCl? The ionic radii of Ag+ and Cl- are 113 and 181 pm, respectively.

Which of the following gases would not be expected to cool as it expands?

How does limestone react to acidic solutions?

Calculate the density of camphor, C10H16O, At 80 ο\omicron ο C and 12 Torr.

What is the minimum pressure and temperature for diamond formation?

What makes phosphors glow?

A 1.00-L sample ofC2H4(g) at 2.00 atm and 293 K is burned in 8.00 L of oxygen gas at the same temperature and pressure to form carbon dioxide and water.If the reaction goes to completion,What is the final volume of all gases at 2.00 atm and 293 K?

How does conduction in a semi-conductor compare to that in a metal?

What are all the intermolecular forces that are responsible for the existence of ice?

How is bonding in solids best described?

What is the density of helium gas at 750 kPa and 25 ∘\circ∘ C?

What does "sintering" mean?

What do the current high temperature superconductors have in common?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

A sample of gas with a volume of 750 mL exerts a pressure of 98.0 kPa at 30^$\omicron$C . What pressure will the sample exert when it is compressed to 250 mL and cooled to -25^$\omicron$C?

What is the density of chlorine gas at 850 Torr and -12^$\circ$C?

At 80.0^$\omicron$C and 12.0 Torr, the density of camphor vapor is 0.0829 g.L^-¹.What is the molar mass of camphor?

What is the coordination number of silver in AgCl? The ionic radii of Ag⁺ and Cl^- are 113 and 181 pm, respectively.

Calculate the density of camphor, C₁₀H₁₆O, At 80^$\omicron$C and 12 Torr.

A 1.00-L sample ofC₂H₄(g) at 2.00 atm and 293 K is burned in 8.00 L of oxygen gas at the same temperature and pressure to form carbon dioxide and water.If the reaction goes to completion,What is the final volume of all gases at 2.00 atm and 293 K?

What is the density of helium gas at 750 kPa and 25^$\circ$C?