Question 1

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

Accepted Answer

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

Question 2

If the average speed of a carbon dioxide molecule is 410 m.sS1U1P1-S1S1P0S1U1P11S1S1P0at 25S1U1P1$\circ$S1S1P0C, what is the average speed of a molecule of methane at the same temperature?

Accepted Answer

A)  680 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
B)  410 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
C)  1130 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
D)  1000 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
E)  247 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
A)  680 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
B)  410 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
C)  1130 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
D)  1000 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
E)  247 m.sS1U1P1-S1S1P0S1U1P11S1S1P0

Question 3

What is a magnetic domain?

Accepted Answer

A)  A magnetic field. 
B)  A region of temporary aligned spins.  
C)  A region of permanent aligned spins.  
D)  An induced magnetic field.  
E)  A randomly applied magnetic field.  
A)  A magnetic field. 
B)  A region of temporary aligned spins.  
C)  A region of permanent aligned spins.  
D)  An induced magnetic field.  
E)  A randomly applied magnetic field.

Question 4

A sample of oxygen gas collected at 25°C and 745 Torr has a vapor pressure of less than 745 Torr.

Accepted Answer

A) True 
 B)False

Question 5

The main composition of dry air at sea level is about 75.5% nitrogen,23.1% oxygen, and 1.3% argon .In a 1.00-g sample of dry air at 1.00 atm,
calculate the partial pressure of argon gas.

Accepted Answer

The answer of The main composition of dry air at...

Question 6

Which has the higher boiling point,1,1-dichloroethene or cis-dichloroethene?

Accepted Answer

The answer of Which has the higher boiling point,1,1-dichloroethene or...

Question 7

When a magnet is brought near a ferrofluid,the particles in the fluid try to align themselves with the magnetic field.

Accepted Answer

A) True 
 B)False

Question 8

Bone is a composite composed of collagen and ______________________ (phosphate salts /carbonate salts / sulfate salts).

Accepted Answer

The answer of Bone is a composite composed of collagen...

Question 9

Superconductivity is the loss of all electrical resistance when a substance is cooled below a certain characteristic transition temperature.

Accepted Answer

A) True 
 B)False

Question 10

What properties are usually associated with high carbon steel?

Accepted Answer

A)  Hardness and brittleness. 
B)  Ductility and low hardness. 
C)  Ductility and high hardness. 
D)  Low hardness and high brittleness. 
E)  Corrosion resistance and high malleability. 
A)  Hardness and brittleness. 
B)  Ductility and low hardness. 
C)  Ductility and high hardness. 
D)  Low hardness and high brittleness. 
E)  Corrosion resistance and high malleability.

Question 11

Consider the following reaction:
4KO2(s)+ 2CO2(g)$\rightarrow$2K2CO3(s)+ 3O2(g)
How many liters of oxygen are produced at STP if 10.5 moles of carbon dioxide are used at STP?

Accepted Answer

A)  15.8 
B)  0.703 
C)  706 
D)  353 
E)  235 
A)  15.8 
B)  0.703 
C)  706 
D)  353 
E)  235

Question 12

What type of bonding dominates in a diamond structure?

Accepted Answer

A)  C-C pi bonds. 
B)  C-C two dimensional bonds. 
C)  Non-covalent bonds. 
D)  C-C sigma bonds. 
E)  Really strong sigma or pi bonds. 
A)  C-C pi bonds. 
B)  C-C two dimensional bonds. 
C)  Non-covalent bonds. 
D)  C-C sigma bonds. 
E)  Really strong sigma or pi bonds.

Question 13

What are the coordination numbers of TiS1U1P14+S1S1P0 and OS1U1P12-S1S1P0, respectively,
In rutile? The unit cell is shown below.

Accepted Answer

A)  4 and 3 
B)  6 and 4 
C)  3 and 6 
D)  6 and 6 
E)  6 and 3 
A)  4 and 3 
B)  6 and 4 
C)  3 and 6 
D)  6 and 6 
E)  6 and 3

Question 14

What is the root mean square speed of carbon dioxide molecules at 98S1U1P1$\circ$S1S1P0C?

Accepted Answer

A)  153 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
B)  459 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
C)  45.6 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
D)  574 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
E)  236 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
A)  153 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
B)  459 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
C)  45.6 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
D)  574 m.sS1U1P1-S1S1P0S1U1P11S1S1P0 
E)  236 m.sS1U1P1-S1S1P0S1U1P11S1S1P0

Question 15

Which of the following have been shown to superconduct?

Accepted Answer

A)  Various non-metal oxides. 
B)  Some ceramic oxides. 
C)  Metals at low temperatures. 
D)  Both A and B, above. 
E)  Both B and C, above. 
A)  Various non-metal oxides. 
B)  Some ceramic oxides. 
C)  Metals at low temperatures. 
D)  Both A and B, above. 
E)  Both B and C, above.

Question 16

Which of the following has the largest value of surface tension?

Accepted Answer

A)  H2O 
B)  CCl4 
C)  CH3OH (methanol) 
D)  Hg 
E)  C6H6 (benzene) 
A)  H2O 
B)  CCl4 
C)  CH3OH (methanol) 
D)  Hg 
E)  C6H6 (benzene)

Question 17

What best describes alnico?

Accepted Answer

A)  A metal alloy. 
B)  A ferromagnetic alloy.  
C)  A non-metallic alloy.  
D)  An anti-ferromagnetic alloy.  
E)  An iron-containing alloy.  
A)  A metal alloy. 
B)  A ferromagnetic alloy.  
C)  A non-metallic alloy.  
D)  An anti-ferromagnetic alloy.  
E)  An iron-containing alloy.

Question 18

Which of the following cations is likely to be hydrated in compounds?

Accepted Answer

A)  Rb+  
B)  NH4+  
C)  Ba2+  
D)  K+  
E)  Cs+  
A)  Rb+  
B)  NH4+  
C)  Ba2+  
D)  K+  
E)  Cs+

Question 19

Which answer best accounts for the NaS1U1P1+S1S1P0 ions present in the NaCl unit cell?

Accepted Answer

A)  1 center atom + 1/8 * 24 corner atoms 
B)  1 center atom + 1/2 * 6 face atoms 
C)  1 center atom + 1/8 * 8 corner atoms 
D)  1 center atom + 1/4 * 12 edge atoms 
E)  1/8 * 8 corner atoms + 1/2 * 6 face atoms 
A)  1 center atom + 1/8 * 24 corner atoms 
B)  1 center atom + 1/2 * 6 face atoms 
C)  1 center atom + 1/8 * 8 corner atoms 
D)  1 center atom + 1/4 * 12 edge atoms 
E)  1/8 * 8 corner atoms + 1/2 * 6 face atoms

Question 20

How many calcium, titanium, And oxygen ions are there in the perovskite unit cell shown below?

Accepted Answer

A)  1 CaS1U1P12+S1S1P0, 2 TiS1U1P14+S1S1P0, and 3 OS1U1P12-S1S1P0 
B)  1 CaS1U1P12+S1S1P0, 1 TiS1U1P14+S1S1P0, and 6 OS1U1P12-S1S1P0 
C)  1 CaS1U1P12+S1S1P0, 4 TiS1U1P14+S1S1P0, and 6 OS1U1P12-S1S1P0 
D)  1 CaS1U1P12+S1S1P0, 1 TiS1U1P14+S1S1P0, and 3 OS1U1P12-S1S1P0 
E)  1 CaS1U1P12+S1S1P0, 2 TiS1U1P14+S1S1P0, and 6 OS1U1P12-S1S1P0 
A)  1 CaS1U1P12+S1S1P0, 2 TiS1U1P14+S1S1P0, and 3 OS1U1P12-S1S1P0 
B)  1 CaS1U1P12+S1S1P0, 1 TiS1U1P14+S1S1P0, and 6 OS1U1P12-S1S1P0 
C)  1 CaS1U1P12+S1S1P0, 4 TiS1U1P14+S1S1P0, and 6 OS1U1P12-S1S1P0 
D)  1 CaS1U1P12+S1S1P0, 1 TiS1U1P14+S1S1P0, and 3 OS1U1P12-S1S1P0 
E)  1 CaS1U1P12+S1S1P0, 2 TiS1U1P14+S1S1P0, and 6 OS1U1P12-S1S1P0

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

If the average speed of a carbon dioxide molecule is 410 m.s^-¹at 25^$\circ$C, what is the average speed of a molecule of methane at the same temperature?

What is a magnetic domain?

A sample of oxygen gas collected at 25°C and 745 Torr has a vapor pressure of less than 745 Torr.

The main composition of dry air at sea level is about 75.5% nitrogen,23.1% oxygen, and 1.3% argon .In a 1.00-g sample of dry air at 1.00 atm, calculate the partial pressure of argon gas.

Which has the higher boiling point,1,1-dichloroethene or cis-dichloroethene?

When a magnet is brought near a ferrofluid,the particles in the fluid try to align themselves with the magnetic field.

Bone is a composite composed of collagen and ______________________ (phosphate salts /carbonate salts / sulfate salts).

Superconductivity is the loss of all electrical resistance when a substance is cooled below a certain characteristic transition temperature.

What properties are usually associated with high carbon steel?

Consider the following reaction: 4KO₂(s)+ 2CO₂(g) $\rightarrow$ 2K₂CO₃(s)+ 3O₂(g) How many liters of oxygen are produced at STP if 10.5 moles of carbon dioxide are used at STP?

What type of bonding dominates in a diamond structure?

What are the coordination numbers of Ti⁴⁺ and O^2-, respectively, In rutile? The unit cell is shown below.

What is the root mean square speed of carbon dioxide molecules at 98^$\circ$C?

Which of the following have been shown to superconduct?

Which of the following has the largest value of surface tension?

What best describes alnico?

Which of the following cations is likely to be hydrated in compounds?

Which answer best accounts for the Na⁺ ions present in the NaCl unit cell?

How many calcium, titanium, And oxygen ions are there in the perovskite unit cell shown below?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 3: States of Matter

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

If the average speed of a carbon dioxide molecule is 410 m.s-1at 25 ∘\circ∘ C, what is the average speed of a molecule of methane at the same temperature?

What is a magnetic domain?

A sample of oxygen gas collected at 25°C and 745 Torr has a vapor pressure of less than 745 Torr.

The main composition of dry air at sea level is about 75.5% nitrogen,23.1% oxygen, and 1.3% argon .In a 1.00-g sample of dry air at 1.00 atm, calculate the partial pressure of argon gas.

Which has the higher boiling point,1,1-dichloroethene or cis-dichloroethene?

When a magnet is brought near a ferrofluid,the particles in the fluid try to align themselves with the magnetic field.

Bone is a composite composed of collagen and ______________________ (phosphate salts /carbonate salts / sulfate salts).

Superconductivity is the loss of all electrical resistance when a substance is cooled below a certain characteristic transition temperature.

What properties are usually associated with high carbon steel?

Consider the following reaction: 4KO2(s)+ 2CO2(g) →\rightarrow→ 2K2CO3(s)+ 3O2(g) How many liters of oxygen are produced at STP if 10.5 moles of carbon dioxide are used at STP?

What type of bonding dominates in a diamond structure?

What are the coordination numbers of Ti4+ and O2-, respectively, In rutile? The unit cell is shown below.

What is the root mean square speed of carbon dioxide molecules at 98 ∘\circ∘ C?

Which of the following have been shown to superconduct?

Which of the following has the largest value of surface tension?

What best describes alnico?

Which of the following cations is likely to be hydrated in compounds?

Which answer best accounts for the Na+ ions present in the NaCl unit cell?

How many calcium, titanium, And oxygen ions are there in the perovskite unit cell shown below?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

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

If the average speed of a carbon dioxide molecule is 410 m.s^-¹at 25^$\circ$C, what is the average speed of a molecule of methane at the same temperature?

Consider the following reaction: 4KO₂(s)+ 2CO₂(g) $\rightarrow$ 2K₂CO₃(s)+ 3O₂(g) How many liters of oxygen are produced at STP if 10.5 moles of carbon dioxide are used at STP?

What are the coordination numbers of Ti⁴⁺ and O^2-, respectively, In rutile? The unit cell is shown below.

What is the root mean square speed of carbon dioxide molecules at 98^$\circ$C?

Which answer best accounts for the Na⁺ ions present in the NaCl unit cell?