Question 1

What element besides iron and carbon is necessary to produced stainless steel?

Accepted Answer

A)  Chromium. 
B)  Vanadium. 
C)  Phosphorus. 
D)  Sulfur. 
E)  Zinc. 
A)  Chromium. 
B)  Vanadium. 
C)  Phosphorus. 
D)  Sulfur. 
E)  Zinc.

Question 2

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

Accepted Answer

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

Question 3

The ability of water to "wet" paper is due to hydrogen bonding between water molecules and surface molecules in the paper.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following gases would you predict to have the smallest value of the van der Waals coefficient b?

Accepted Answer

A)  C2F2Cl4 
B)  CO 
C)  C2FCl5 
D)  ClF3 
E)  C2F6 
A)  C2F2Cl4 
B)  CO 
C)  C2FCl5 
D)  ClF3 
E)  C2F6

Question 5

The boiling points of the Group 14 binary hydrides increase smoothly from CH4 to SnH4.

Accepted Answer

A) True 
 B)False

Question 6

Calcium cyanamide reacts with H2O(g) at 150$\omicron $C and 1.00 atm pressure:
CaNCN(s)+ 3H2O(g)$\rightarrow$CaCO3(s)+ 2NH3(g)
If 80.0 L of NH3(g) Are produced, What volume of steam is required?

Accepted Answer

A)  40.0 L 
B)  80.0 L 
C)  26.7 L 
D)  120. L 
E)  240. L 
A)  40.0 L 
B)  80.0 L 
C)  26.7 L 
D)  120. L 
E)  240. L

Question 7

How do luminescent materials release light?

Accepted Answer

A)  By returning from an excited state to a lower, but still excited state. 
B)  By the absorption of any wavelength radiation. 
C)  By the absorption of light photons. 
D)  By returning from an excited state to a lower energy state. 
E)  Through an applied electric voltage. 
A)  By returning from an excited state to a lower, but still excited state. 
B)  By the absorption of any wavelength radiation. 
C)  By the absorption of light photons. 
D)  By returning from an excited state to a lower energy state. 
E)  Through an applied electric voltage.

Question 8

What are network modifiers in glasses?

Accepted Answer

A)  Non-metal oxide compounds. 
B)  Alkaline earth metals. 
C)  Organic oxide compounds.  
D)  Metal oxide compounds.  
E)  None of the above.  
A)  Non-metal oxide compounds. 
B)  Alkaline earth metals. 
C)  Organic oxide compounds.  
D)  Metal oxide compounds.  
E)  None of the above.

Question 9

Which of the following statements is true?

Accepted Answer

A)  Butane, C4H10, has a higher boiling point than acetone, CH3COCH3. 
B)  Pentane, C5H12, has a lower boiling point than 2,2-dimethylpropane, C5H12. 
C)  CHF3 has a higher boiling point than CF4. 
D)  CH4 has a higher boiling point than CCl4. 
E)  HI has a lower boiling point than HBr. 
A)  Butane, C4H10, has a higher boiling point than acetone, CH3COCH3. 
B)  Pentane, C5H12, has a lower boiling point than 2,2-dimethylpropane, C5H12. 
C)  CHF3 has a higher boiling point than CF4. 
D)  CH4 has a higher boiling point than CCl4. 
E)  HI has a lower boiling point than HBr.

Question 10

How does water interact with clay and limestone in the making of cement?

Accepted Answer

A)  It must be completely water free.  
B)  It produces hydrates and hydroxides.  
C)  It degrades the limestone.  
D)  It forms slaked lime.  
E)  It washes away the silicates.  
A)  It must be completely water free.  
B)  It produces hydrates and hydroxides.  
C)  It degrades the limestone.  
D)  It forms slaked lime.  
E)  It washes away the silicates.

Question 11

The density of solid krypton is 2.16 g.cmS1U1P1-S1S1P0S1U1P13 S1S1P0 .Krypton crystallizes in a cubic close-packed structure; estimate the atomic radius.

Accepted Answer

A)  66.5 pm 
B)  225 pm 
C)  113 pm 
D)  318 pm 
E)  450 pm 
A)  66.5 pm 
B)  225 pm 
C)  113 pm 
D)  318 pm 
E)  450 pm

Question 12

Tetrabromomethane has a higher boiling point than tetrachloromethane.

Accepted Answer

A) True 
 B)False

Question 13

What volume is occupied by 1,000 . G of fluorine gas at 10.00°C at a pressure of 735 Torr?

Accepted Answer

A)  22.3 L 
B)  44.6 L 
C)  621 L 
D)  632 L 
E)  4,690 L 
A)  22.3 L 
B)  44.6 L 
C)  621 L 
D)  632 L 
E)  4,690 L

Question 14

A plot of the Maxwell distribution against speed for different molecules shows that

Accepted Answer

A)  heavy molecules have a higher average speed. 
B)  light molecules have a very narrow range of speeds. 
C)  heavy molecules have a wide range of speeds. 
D)  light molecules have a lower average speed. 
E)  heavy molecules travel with speeds close to their average values. 
A)  heavy molecules have a higher average speed. 
B)  light molecules have a very narrow range of speeds. 
C)  heavy molecules have a wide range of speeds. 
D)  light molecules have a lower average speed. 
E)  heavy molecules travel with speeds close to their average values.

Question 15

Which of the following molecular solids has the highest melting point?

Accepted Answer

A)  Sucrose, C12H22O11  
B)  Carbon dioxide, CO2  
C)  H2O 
D)  TiCl4  
E)  Benzene, C6H6  
A)  Sucrose, C12H22O11  
B)  Carbon dioxide, CO2  
C)  H2O 
D)  TiCl4  
E)  Benzene, C6H6

Question 16

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

Accepted Answer

The answer of How many atoms are there in a...

Question 17

Helium,H2,and neon all have very small values of the van der Waals coefficient "a",whereas Cl2,xenon, and water have large values.Which gases would you expect to be able to be liquefied by expansion?

Accepted Answer

Question 18

What are the coordination numbers of calcium and titanium, respectively,
In perovskite? The unit cell is shown below.

Accepted Answer

A)  6 and 6 
B)  12 and 6 
C)  12 and 8 
D)  12 and 12 
E)  6 and 8 
A)  6 and 6 
B)  12 and 6 
C)  12 and 8 
D)  12 and 12 
E)  6 and 8

Question 19

Ideal gases and real gases behave most similarly under which of the following conditions?

Accepted Answer

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

Question 20

Ammonium nitrate can decompose according to the following equation:
NH4NO3(s)$\rightarrow$N2O(g)+2H2O(g)
How many liters of gas are produced by decomposition of 160 g of ammonium nitrate at STP?

Accepted Answer

A)  44.8 
B)  6.00 
C)  22.4 
D)  134 
E)  67.2 
A)  44.8 
B)  6.00 
C)  22.4 
D)  134 
E)  67.2

What element besides iron and carbon is necessary to produced stainless steel?

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

The ability of water to "wet" paper is due to hydrogen bonding between water molecules and surface molecules in the paper.

Which of the following gases would you predict to have the smallest value of the van der Waals coefficient b?

The boiling points of the Group 14 binary hydrides increase smoothly from CH₄ to SnH₄.

Calcium cyanamide reacts with H₂O(g) at 150^$\omicron$C and 1.00 atm pressure: CaNCN(s)+ 3H₂O(g) $\rightarrow$ CaCO₃(s)+ 2NH₃(g) If 80.0 L of NH₃(g) Are produced, What volume of steam is required?

How do luminescent materials release light?

What are network modifiers in glasses?

Which of the following statements is true?

How does water interact with clay and limestone in the making of cement?

The density of solid krypton is 2.16 g.cm^-³ .Krypton crystallizes in a cubic close-packed structure; estimate the atomic radius.

Tetrabromomethane has a higher boiling point than tetrachloromethane.

What volume is occupied by 1,000 . G of fluorine gas at 10.00°C at a pressure of 735 Torr?

A plot of the Maxwell distribution against speed for different molecules shows that

Which of the following molecular solids has the highest melting point?

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

Helium,H₂,and neon all have very small values of the van der Waals coefficient "a",whereas Cl₂,xenon, and water have large values.Which gases would you expect to be able to be liquefied by expansion?

What are the coordination numbers of calcium and titanium, respectively, In perovskite? The unit cell is shown below.

Ideal gases and real gases behave most similarly under which of the following conditions?

Ammonium nitrate can decompose according to the following equation: NH₄NO₃(s) $\rightarrow$ N₂O(g)+2H₂O(g) How many liters of gas are produced by decomposition of 160 g of ammonium nitrate at STP?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 3: States of Matter

What element besides iron and carbon is necessary to produced stainless steel?

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

The ability of water to "wet" paper is due to hydrogen bonding between water molecules and surface molecules in the paper.

Which of the following gases would you predict to have the smallest value of the van der Waals coefficient b?

The boiling points of the Group 14 binary hydrides increase smoothly from CH4 to SnH4.

Calcium cyanamide reacts with H2O(g) at 150 ο\omicron ο C and 1.00 atm pressure: CaNCN(s)+ 3H2O(g) →\rightarrow→ CaCO3(s)+ 2NH3(g) If 80.0 L of NH3(g) Are produced, What volume of steam is required?

How do luminescent materials release light?

What are network modifiers in glasses?

Which of the following statements is true?

How does water interact with clay and limestone in the making of cement?

The density of solid krypton is 2.16 g.cm-3 .Krypton crystallizes in a cubic close-packed structure; estimate the atomic radius.

Tetrabromomethane has a higher boiling point than tetrachloromethane.

What volume is occupied by 1,000 . G of fluorine gas at 10.00°C at a pressure of 735 Torr?

A plot of the Maxwell distribution against speed for different molecules shows that

Which of the following molecular solids has the highest melting point?

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

Helium,H2,and neon all have very small values of the van der Waals coefficient "a",whereas Cl2,xenon, and water have large values.Which gases would you expect to be able to be liquefied by expansion?

What are the coordination numbers of calcium and titanium, respectively, In perovskite? The unit cell is shown below.

Ideal gases and real gases behave most similarly under which of the following conditions?

Ammonium nitrate can decompose according to the following equation: NH4NO3(s) →\rightarrow→ N2O(g)+2H2O(g) How many liters of gas are produced by decomposition of 160 g of ammonium nitrate at STP?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

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

The boiling points of the Group 14 binary hydrides increase smoothly from CH₄ to SnH₄.

Calcium cyanamide reacts with H₂O(g) at 150^$\omicron$C and 1.00 atm pressure: CaNCN(s)+ 3H₂O(g) $\rightarrow$ CaCO₃(s)+ 2NH₃(g) If 80.0 L of NH₃(g) Are produced, What volume of steam is required?

The density of solid krypton is 2.16 g.cm^-³ .Krypton crystallizes in a cubic close-packed structure; estimate the atomic radius.

Helium,H₂,and neon all have very small values of the van der Waals coefficient "a",whereas Cl₂,xenon, and water have large values.Which gases would you expect to be able to be liquefied by expansion?

Ammonium nitrate can decompose according to the following equation: NH₄NO₃(s) $\rightarrow$ N₂O(g)+2H₂O(g) How many liters of gas are produced by decomposition of 160 g of ammonium nitrate at STP?