Question 1

Predict which of the following has the lowest boiling point.

Accepted Answer

A)  SbH3  
B)  AsH3  
C)  NH3  
D)  BiH3  
E)  PH3  
A)  SbH3  
B)  AsH3  
C)  NH3  
D)  BiH3  
E)  PH3

Question 2

The number of molecules in 44.8 L of nitrogen at exactly 0S1U1P1$\circ$S1S1P0C and 3.00 atm is

Accepted Answer

A)  1.20 * 10S1U1P124 S1S1P0 
B)  3.61 * 10S1U1P124 S1S1P0 
C)  3.61 * 10S1U1P1-23 S1S1P0 
D)  2.01 * 10S1U1P123 S1S1P0 
E)  18.0 * 10S1U1P1-23 S1S1P0 
A)  1.20 * 10S1U1P124 S1S1P0 
B)  3.61 * 10S1U1P124 S1S1P0 
C)  3.61 * 10S1U1P1-23 S1S1P0 
D)  2.01 * 10S1U1P123 S1S1P0 
E)  18.0 * 10S1U1P1-23 S1S1P0

Question 3

Why is gravel often used as a filler in concrete?

Accepted Answer

A)  Because it is hard.  
B)  Because it is inexpensive.  
C)  It is easily deformable.  
D)  Because it is a granite.  
E)  Gravel is not a filler in concrete.  
A)  Because it is hard.  
B)  Because it is inexpensive.  
C)  It is easily deformable.  
D)  Because it is a granite.  
E)  Gravel is not a filler in concrete.

Question 4

How is pig iron produced?

Accepted Answer

A)  In a charcoal fire. 
B)  Through multiple heatings. 
C)  In a blast furnace. 
D)  Through molten mixing with other metals. 
E)  It is naturally occuring. 
A)  In a charcoal fire. 
B)  Through multiple heatings. 
C)  In a blast furnace. 
D)  Through molten mixing with other metals. 
E)  It is naturally occuring.

Question 5

What is a p-type semi-conductor?

Accepted Answer

A)  One with excess electrons in the valence band.  
B)  One with excess electrons in the conduction band.  
C)  One with a less-than-full valence band. 
D)  One with a less-than-full conduction band.  
E)  One with electrons positively in the conduction band.  
A)  One with excess electrons in the valence band.  
B)  One with excess electrons in the conduction band.  
C)  One with a less-than-full valence band. 
D)  One with a less-than-full conduction band.  
E)  One with electrons positively in the conduction band.

Question 6

Composite materials combine two or more substances,yet they retain their individual characteristics.

Accepted Answer

A) True 
 B)False

Question 7

All the elements listed below can exist as network solids except

Accepted Answer

A)  O. 
B)  Si. 
C)  B. 
D)  As. 
E)  C. 
A)  O. 
B)  Si. 
C)  B. 
D)  As. 
E)  C.

Question 8

A pressure of 2.50 * 10S1U1P15S1S1P0 kg.mS1U1P1-S1S1P0S1U1P11S1S1P0.sS1U1P1-S1S1P0S1U1P12S1S1P0 corresponds to

Accepted Answer

A)  1.00 atm 
B)  760 mmHg 
C)  253 kPa 
D)  2.50 * 10S1U1P15S1S1P0 Torr 
E)  2.50 Pa 
A)  1.00 atm 
B)  760 mmHg 
C)  253 kPa 
D)  2.50 * 10S1U1P15S1S1P0 Torr 
E)  2.50 Pa

Question 9

How is steel defined?

Accepted Answer

A)  A heterogeneous iron alloy with up to 2% carbon. 
B)  A homogeneous iron alloy with up to 2% carbon. 
C)  Any heterogeneous alloy with up to 2% carbon. 
D)  Any homogeneous alloy with up to 2% carbon. 
E)  Any iron, carbon alloy with a low melting point. 
A)  A heterogeneous iron alloy with up to 2% carbon. 
B)  A homogeneous iron alloy with up to 2% carbon. 
C)  Any heterogeneous alloy with up to 2% carbon. 
D)  Any homogeneous alloy with up to 2% carbon. 
E)  Any iron, carbon alloy with a low melting point.

Question 10

How can quantum dots be made?

Accepted Answer

A)  In solution.  
B)  By depositing atoms on a surface.  
C)  At high temperature.  
D)  Both A and B.  
E)  Both A and C.  
A)  In solution.  
B)  By depositing atoms on a surface.  
C)  At high temperature.  
D)  Both A and B.  
E)  Both A and C.

Question 11

Which gas is most dense at 1 atm and 25S1U1P1$\circ$S1S1P0C?

Accepted Answer

A)  Hydrogen cyanide 
B)  Hydrogen sulfide 
C)  Nitrogen monoxide 
D)  Carbon monoxide 
E)  Nitrogen dioxide 
A)  Hydrogen cyanide 
B)  Hydrogen sulfide 
C)  Nitrogen monoxide 
D)  Carbon monoxide 
E)  Nitrogen dioxide

Question 12

What volume is occupied by 1.00 kg of helium at 5.00S1U1P1$\circ$S1S1P0C at a pressure of 735 Torr?

Accepted Answer

A)  5.97 * 10S1U1P15S1S1P0 L 
B)  5.90 * 10S1U1P13S1S1P0 L 
C)  2.95 * 10S1U1P13S1S1P0 L 
D)  1.06 * 10S1U1P12S1S1P0 L 
E)  5.60 * 10S1U1P13S1S1P0 L 
A)  5.97 * 10S1U1P15S1S1P0 L 
B)  5.90 * 10S1U1P13S1S1P0 L 
C)  2.95 * 10S1U1P13S1S1P0 L 
D)  1.06 * 10S1U1P12S1S1P0 L 
E)  5.60 * 10S1U1P13S1S1P0 L

Question 13

What makes emery different from corundum?

Accepted Answer

A)  Impure micro-crystals make up corundum. 
B)  Impure micro-crystals make up emery. 
C)  Corundum is almost pure silicate. 
D)  Emery is almost pure silicate. 
E)  Nothing; they are actually the same material. 
A)  Impure micro-crystals make up corundum. 
B)  Impure micro-crystals make up emery. 
C)  Corundum is almost pure silicate. 
D)  Emery is almost pure silicate. 
E)  Nothing; they are actually the same material.

Question 14

What is a eutectic point?

Accepted Answer

A)  0an alloy's point of equal percentage of elements, by mass.  
B)  An alloy's highest possible melting point. 
C)  An alloy's lowest possible melting point.  
D)  An alloy's point of equal percentage of elements, by volume.   
E)  An alloy's liquid - solid temperature line. 
A)  0an alloy's point of equal percentage of elements, by mass.  
B)  An alloy's highest possible melting point. 
C)  An alloy's lowest possible melting point.  
D)  An alloy's point of equal percentage of elements, by volume.   
E)  An alloy's liquid - solid temperature line.

Question 15

What form do single walled nano-tubes take?

Accepted Answer

A)  "Armchair." 
B)  Chiral. 
C)  Zig-zag. 
D)  All of the above. 
E)  None of the above. 
A)  "Armchair." 
B)  Chiral. 
C)  Zig-zag. 
D)  All of the above. 
E)  None of the above.

Question 16

What is the density of nitrogen gas at 740 Torr and-12S1U1P1$\circ$S1S1P0C?

Accepted Answer

A)  0.637 g.LS1U1P1-1 S1S1P0 
B)  1.17 g.LS1U1P1-1 S1S1P0 
C)  1.27 g.LS1U1P1-1 S1S1P0 
D)  2.55 g.LS1U1P1-1 S1S1P0 
E)  9.56 g.LS1U1P1-1 S1S1P0 
A)  0.637 g.LS1U1P1-1 S1S1P0 
B)  1.17 g.LS1U1P1-1 S1S1P0 
C)  1.27 g.LS1U1P1-1 S1S1P0 
D)  2.55 g.LS1U1P1-1 S1S1P0 
E)  9.56 g.LS1U1P1-1 S1S1P0

Question 17

If the radius of an atom is r, what is the length of the side of the face-centered cubic unit cell?

Accepted Answer

A)  8½r 
B)  2.25r 
C)  2r 
D)  4r/3½ 
E)  r 
A)  8½r 
B)  2.25r 
C)  2r 
D)  4r/3½ 
E)  r

Question 18

What is present in an aluminosilicate?

Accepted Answer

A)  Al, S, and O  
B)  Al and Si  
C)  Al, Si, and S 
D)  Al, a metal, and O  
E)  Al, Si, and O  
A)  Al, S, and O  
B)  Al and Si  
C)  Al, Si, and S 
D)  Al, a metal, and O  
E)  Al, Si, and O

Question 19

All of the following elements are gases at room temperature and atmospheric pressure except

Accepted Answer

A)  Rn 
B)  F 
C)  Br 
D)  N 
E)  Cl 
A)  Rn 
B)  F 
C)  Br 
D)  N 
E)  Cl

Question 20

True or false: delocalized pi-bonds are the reason carbon nano-tubes conduct electricity.

Accepted Answer

A) True 
 B)False

Predict which of the following has the lowest boiling point.

The number of molecules in 44.8 L of nitrogen at exactly 0^$\circ$C and 3.00 atm is

Why is gravel often used as a filler in concrete?

How is pig iron produced?

What is a p-type semi-conductor?

Composite materials combine two or more substances,yet they retain their individual characteristics.

All the elements listed below can exist as network solids except

A pressure of 2.50 * 10⁵ kg.m^-¹.s^-² corresponds to

How is steel defined?

How can quantum dots be made?

Which gas is most dense at 1 atm and 25^$\circ$C?

What volume is occupied by 1.00 kg of helium at 5.00^$\circ$C at a pressure of 735 Torr?

What makes emery different from corundum?

What is a eutectic point?

What form do single walled nano-tubes take?

What is the density of nitrogen gas at 740 Torr and-12^$\circ$C?

If the radius of an atom is r, what is the length of the side of the face-centered cubic unit cell?

What is present in an aluminosilicate?

All of the following elements are gases at room temperature and atmospheric pressure except

True or false: delocalized pi-bonds are the reason carbon nano-tubes conduct electricity.

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 3: States of Matter

Predict which of the following has the lowest boiling point.

The number of molecules in 44.8 L of nitrogen at exactly 0 ∘\circ∘ C and 3.00 atm is

Why is gravel often used as a filler in concrete?

How is pig iron produced?

What is a p-type semi-conductor?

Composite materials combine two or more substances,yet they retain their individual characteristics.

All the elements listed below can exist as network solids except

A pressure of 2.50 * 105 kg.m-1.s-2 corresponds to

How is steel defined?

How can quantum dots be made?

Which gas is most dense at 1 atm and 25 ∘\circ∘ C?

What volume is occupied by 1.00 kg of helium at 5.00 ∘\circ∘ C at a pressure of 735 Torr?

What makes emery different from corundum?

What is a eutectic point?

What form do single walled nano-tubes take?

What is the density of nitrogen gas at 740 Torr and-12 ∘\circ∘ C?

If the radius of an atom is r, what is the length of the side of the face-centered cubic unit cell?

What is present in an aluminosilicate?

All of the following elements are gases at room temperature and atmospheric pressure except

True or false: delocalized pi-bonds are the reason carbon nano-tubes conduct electricity.

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

The number of molecules in 44.8 L of nitrogen at exactly 0^$\circ$C and 3.00 atm is

A pressure of 2.50 * 10⁵ kg.m^-¹.s^-² corresponds to

Which gas is most dense at 1 atm and 25^$\circ$C?

What volume is occupied by 1.00 kg of helium at 5.00^$\circ$C at a pressure of 735 Torr?

What is the density of nitrogen gas at 740 Torr and-12^$\circ$C?