Question 1

Which molecules of the following gases will have the greatest root mean square speed?

Accepted Answer

A)  Nitrogen at 1 atm and 273 K 
B)  All the molecules have the same root mean square speed. 
C)  Hydrogen at 0.5 atm and 273 K 
D)  Argon at 1 atm and 273 K 
E)  Helium at 0.1 atm and 273 K 
A)  Nitrogen at 1 atm and 273 K 
B)  All the molecules have the same root mean square speed. 
C)  Hydrogen at 0.5 atm and 273 K 
D)  Argon at 1 atm and 273 K 
E)  Helium at 0.1 atm and 273 K

Question 2

Malleability refers to a metal's ability to be hammered into a specific shape.

Accepted Answer

A) True 
 B)False

Question 3

What is the major component of pewter?

Accepted Answer

A)  Antimony 
B)  Zinc 
C)  Tin 
D)  Copper 
E)  Iron 
A)  Antimony 
B)  Zinc 
C)  Tin 
D)  Copper 
E)  Iron

Question 4

Isotropic liquids have viscosities that are the same in every direction.

Accepted Answer

A) True 
 B)False

Question 5

Atom arrangements that move relative to one another along set two-dimensional surfaces are called what?

Accepted Answer

The answer of Atom arrangements that move relative to one...

Question 6

What is the formula of buckminsterfullerene?

Accepted Answer

A)  C1-10 
B)  C6 
C)  C10 
D)  C60 
E)  Millions of carbon atoms. 
A)  C1-10 
B)  C6 
C)  C10 
D)  C60 
E)  Millions of carbon atoms.

Question 7

The pressure at 20,000 feet above sea level is about 400 . MmHg.This corresponds to

Accepted Answer

A)  526 Pa 
B)  53.3 kg.mS1U1P1-S1S1P0S1U1P11S1S1P0.sS1U1P1-S1S1P0S1U1P12 S1S1P0 
C)  0.526 Torr 
D)  0.526 kPa 
E)  53.3 kPa 
A)  526 Pa 
B)  53.3 kg.mS1U1P1-S1S1P0S1U1P11S1S1P0.sS1U1P1-S1S1P0S1U1P12 S1S1P0 
C)  0.526 Torr 
D)  0.526 kPa 
E)  53.3 kPa

Question 8

Which of the following statements is true?

Accepted Answer

A)  A metallic conductor is a substance with a resistance that increases with increasing temperature. 
B)  A superconductor is a substance that has zero resistance below a certain temperature. 
C)  An insulator is a substance that does not conduct electricity below a certain temperature. 
D)  A semiconductor is a substance with a resistance that increases with increasing temperature. 
E)  An insulator behaves like a metallic conductor with a very high resistance. 
A)  A metallic conductor is a substance with a resistance that increases with increasing temperature. 
B)  A superconductor is a substance that has zero resistance below a certain temperature. 
C)  An insulator is a substance that does not conduct electricity below a certain temperature. 
D)  A semiconductor is a substance with a resistance that increases with increasing temperature. 
E)  An insulator behaves like a metallic conductor with a very high resistance.

Question 9

for a template synthesis of a nano-material, a polycarbonate or alumina membrane must first be prepared.

Accepted Answer

A) True 
 B)False

Question 10

The root mean square speed of nitrogen molecules in air at 20S1U1P1$\omicron $S1S1P0C is 511 m/s in a certain container.If the gas is allowed to expand to twice its original volume,
the root mean square velocity of nitrogen molecules drops to 325 m/s .Calculate the temperature after the gas has expanded.

Accepted Answer

The answer of The root mean square speed of nitrogen...

Question 11

A badly tuned automobile engine can release about 50 moles of carbon dioxide per hour .At 35S1U1P1$\omicron $S1S1P0C, What volume of carbon dioxide is released in a six-hour period if the atmospheric pressure is 740 Torr?

Accepted Answer

A)  7.9 * 10S1U1P15S1S1P0 L 
B)  7.8 * 10S1U1P13S1S1P0 L 
C)  1.3 * 10S1U1P13S1S1P0 L 
D)  10 L 
E)  1.3 * 10S1U1P15S1S1P0 L 
A)  7.9 * 10S1U1P15S1S1P0 L 
B)  7.8 * 10S1U1P13S1S1P0 L 
C)  1.3 * 10S1U1P13S1S1P0 L 
D)  10 L 
E)  1.3 * 10S1U1P15S1S1P0 L

Question 12

What is the coordination number of rubidium in RbF? The ionic radii of RbS1U1P1+S1S1P0 and FS1U1P1-S1S1P0 are 149 and 133 pm, respectively.

Accepted Answer

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

Question 13

Graphite and diamond are two forms of the same element, carbon.What is the term for two such forms of an element?

Accepted Answer

A)  Isotopes.  
B)  Solid phases.  
C)  Physical states.  
D)  Allotropes.   
E)  Carbotropes.  
A)  Isotopes.  
B)  Solid phases.  
C)  Physical states.  
D)  Allotropes.   
E)  Carbotropes.

Question 14

What two broad components make up concrete?

Accepted Answer

A)  Silicates and aluminosilicates.  
B)  Clays and fillers.  
C)  Fillers and cement.  
D)  Portland cement and plastic.  
E)  Limestone and silicates.  
A)  Silicates and aluminosilicates.  
B)  Clays and fillers.  
C)  Fillers and cement.  
D)  Portland cement and plastic.  
E)  Limestone and silicates.

Question 15

True or false: nano-materials have been used to create drug delivery systems and miniature circuits.

Accepted Answer

A) True 
 B)False

Question 16

If it takes 15 s for a certain sample of neon to effuse through a porous barrier,
it will take ________________________________ (15 s, greater than 15 s, less than 15 s)for the same amount of nitrogen gas to effuse through the barrier under the same conditions.

Accepted Answer

The answer of If it takes 15 s for a...

Question 17

A plot of the Maxwell distribution for the same gas against temperature shows that

Accepted Answer

A)  at high temperatures, most molecules have speeds close to their average speed. 
B)  as the temperature increases, a high proportion of molecules have very slow speeds. 
C)  as the temperature decreases, the spread of speeds widens. 
D)  as the temperature decreases, a high proportion of molecules have very high speeds. 
E)  at low temperatures, most molecules have speeds close to their average speed. 
A)  at high temperatures, most molecules have speeds close to their average speed. 
B)  as the temperature increases, a high proportion of molecules have very slow speeds. 
C)  as the temperature decreases, the spread of speeds widens. 
D)  as the temperature decreases, a high proportion of molecules have very high speeds. 
E)  at low temperatures, most molecules have speeds close to their average speed.

Question 18

Which of the following is a naturally occurring form of calcium carbonate?

Accepted Answer

A)  Quartz. 
B)  Limestone. 
C)  Silica. 
D)  Cristobalite. 
E)  Silicate. 
A)  Quartz. 
B)  Limestone. 
C)  Silica. 
D)  Cristobalite. 
E)  Silicate.

Question 19

Cooper pairs are formed in what way?

Accepted Answer

A)  Electrons pair through p-n junctions. 
B)  Electrons pair by making use of lattice vibrations. 
C)  Electrons pair through gain and loss at specific atoms. 
D)  Electrons pair up because temperatures are sufficiently high. 
A)  Electrons pair through p-n junctions. 
B)  Electrons pair by making use of lattice vibrations. 
C)  Electrons pair through gain and loss at specific atoms. 
D)  Electrons pair up because temperatures are sufficiently high.

Question 20

A mixture of oxygen and helium is 92.3% by mass oxygen .What is the partial pressure of oxygen if atmospheric pressure is 745 Torr?

Accepted Answer

A)  412 Torr 
B)  446 Torr 
C)  688 Torr 
D)  333 Torr 
E)  299 Torr 
A)  412 Torr 
B)  446 Torr 
C)  688 Torr 
D)  333 Torr 
E)  299 Torr

Which molecules of the following gases will have the greatest root mean square speed?

Malleability refers to a metal's ability to be hammered into a specific shape.

What is the major component of pewter?

Isotropic liquids have viscosities that are the same in every direction.

Atom arrangements that move relative to one another along set two-dimensional surfaces are called what?

What is the formula of buckminsterfullerene?

The pressure at 20,000 feet above sea level is about 400 . MmHg.This corresponds to

Which of the following statements is true?

for a template synthesis of a nano-material, a polycarbonate or alumina membrane must first be prepared.

The root mean square speed of nitrogen molecules in air at 20^$\omicron$C is 511 m/s in a certain container.If the gas is allowed to expand to twice its original volume, the root mean square velocity of nitrogen molecules drops to 325 m/s .Calculate the temperature after the gas has expanded.

A badly tuned automobile engine can release about 50 moles of carbon dioxide per hour .At 35^$\omicron$C, What volume of carbon dioxide is released in a six-hour period if the atmospheric pressure is 740 Torr?

What is the coordination number of rubidium in RbF? The ionic radii of Rb⁺ and F^- are 149 and 133 pm, respectively.

Graphite and diamond are two forms of the same element, carbon.What is the term for two such forms of an element?

What two broad components make up concrete?

True or false: nano-materials have been used to create drug delivery systems and miniature circuits.

If it takes 15 s for a certain sample of neon to effuse through a porous barrier, it will take ________________________________ (15 s, greater than 15 s, less than 15 s)for the same amount of nitrogen gas to effuse through the barrier under the same conditions.

A plot of the Maxwell distribution for the same gas against temperature shows that

Which of the following is a naturally occurring form of calcium carbonate?

Cooper pairs are formed in what way?

A mixture of oxygen and helium is 92.3% by mass oxygen .What is the partial pressure of oxygen if atmospheric pressure is 745 Torr?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 3: States of Matter

Which molecules of the following gases will have the greatest root mean square speed?

Malleability refers to a metal's ability to be hammered into a specific shape.

What is the major component of pewter?

Isotropic liquids have viscosities that are the same in every direction.

Atom arrangements that move relative to one another along set two-dimensional surfaces are called what?

What is the formula of buckminsterfullerene?

The pressure at 20,000 feet above sea level is about 400 . MmHg.This corresponds to

Which of the following statements is true?

for a template synthesis of a nano-material, a polycarbonate or alumina membrane must first be prepared.

The root mean square speed of nitrogen molecules in air at 20 ο\omicron ο C is 511 m/s in a certain container.If the gas is allowed to expand to twice its original volume, the root mean square velocity of nitrogen molecules drops to 325 m/s .Calculate the temperature after the gas has expanded.

A badly tuned automobile engine can release about 50 moles of carbon dioxide per hour .At 35 ο\omicron ο C, What volume of carbon dioxide is released in a six-hour period if the atmospheric pressure is 740 Torr?

What is the coordination number of rubidium in RbF? The ionic radii of Rb+ and F- are 149 and 133 pm, respectively.

Graphite and diamond are two forms of the same element, carbon.What is the term for two such forms of an element?

What two broad components make up concrete?

True or false: nano-materials have been used to create drug delivery systems and miniature circuits.

If it takes 15 s for a certain sample of neon to effuse through a porous barrier, it will take ________________________________ (15 s, greater than 15 s, less than 15 s)for the same amount of nitrogen gas to effuse through the barrier under the same conditions.

A plot of the Maxwell distribution for the same gas against temperature shows that

Which of the following is a naturally occurring form of calcium carbonate?

Cooper pairs are formed in what way?

A mixture of oxygen and helium is 92.3% by mass oxygen .What is the partial pressure of oxygen if atmospheric pressure is 745 Torr?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

The root mean square speed of nitrogen molecules in air at 20^$\omicron$C is 511 m/s in a certain container.If the gas is allowed to expand to twice its original volume, the root mean square velocity of nitrogen molecules drops to 325 m/s .Calculate the temperature after the gas has expanded.

A badly tuned automobile engine can release about 50 moles of carbon dioxide per hour .At 35^$\omicron$C, What volume of carbon dioxide is released in a six-hour period if the atmospheric pressure is 740 Torr?

What is the coordination number of rubidium in RbF? The ionic radii of Rb⁺ and F^- are 149 and 133 pm, respectively.