Question 1

Water was found to rise to a height of 7.4 mm in a tube of internal radius 2.0 mm at room temperature .Given its density as 1.0 g.cmS1U1P1-S1S1P0S1U1P13S1S1P0, What is the surface tension of water?

Accepted Answer

A)  0.15 N.mS1U1P1-S1S1P0S1U1P11 S1S1P0 
B)  0.036 N.mS1U1P1-S1S1P0S1U1P11 S1S1P0 
C)  7.3 * 10S1U1P1-8S1S1P0 N.mS1U1P1-S1S1P0S1U1P11 S1S1P0 
D)  0.073 N.mS1U1P1-S1S1P0S1U1P11 S1S1P0 
E)  1.5 * 10S1U1P1-7S1S1P0 N.mS1U1P1-S1S1P0S1U1P11 S1S1P0 
A)  0.15 N.mS1U1P1-S1S1P0S1U1P11 S1S1P0 
B)  0.036 N.mS1U1P1-S1S1P0S1U1P11 S1S1P0 
C)  7.3 * 10S1U1P1-8S1S1P0 N.mS1U1P1-S1S1P0S1U1P11 S1S1P0 
D)  0.073 N.mS1U1P1-S1S1P0S1U1P11 S1S1P0 
E)  1.5 * 10S1U1P1-7S1S1P0 N.mS1U1P1-S1S1P0S1U1P11 S1S1P0 D

Question 2

What is the molar mass of a gas whose density is 3.55 g.LS1U1P1-1S1S1P0 at 110S1U1P1$\circ$S1S1P0C and a pressure of 736 Torr?

Accepted Answer

A)  15.4 g.molS1U1P1-1 S1S1P0 
B)  79.5 g.molS1U1P1-1 S1S1P0 
C)  115 g.molS1U1P1-1 S1S1P0 
D)  152 g.molS1U1P1-1 S1S1P0 
E)  33.1 g.molS1U1P1-1 S1S1P0 
A)  15.4 g.molS1U1P1-1 S1S1P0 
B)  79.5 g.molS1U1P1-1 S1S1P0 
C)  115 g.molS1U1P1-1 S1S1P0 
D)  152 g.molS1U1P1-1 S1S1P0 
E)  33.1 g.molS1U1P1-1 S1S1P0 C

Question 3

A Group 17 or Group 18 gas has a density of 2.92 g.LS1U1P1-S1S1P0S1U1P11S1S1P0 at 1.00 atm and 25S1U1P1$\omicron $S1S1P0C .The gas is

Accepted Answer

A)  helium 
B)  neon 
C)  fluorine 
D)  argon 
E)  chlorine 
A)  helium 
B)  neon 
C)  fluorine 
D)  argon 
E)  chlorine E

Question 4

The solid ZnS has a radius ratio of 0.45 and adopts the zinc-blende structure .
What is the coordination number of Zn in ZnS?

Accepted Answer

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

Question 5

What is a quantum dot?

Accepted Answer

A)  Three-dimensional structures of conducting materials containing 10 - 100,000 atoms. 
B)  Three-dimensional structures of semi-conducting materials containing 10 - 100,000 atoms. 
C)  Three-dimensional structures of semi-conducting materials containing 1 - 10,000 atoms. 
D)  Three-dimensional structures of conducting materials containing 1 - 10,000 atoms 
E)  Three-dimensional structures of non-conducting materials containing 1 - 10,000 atoms. 
A)  Three-dimensional structures of conducting materials containing 10 - 100,000 atoms. 
B)  Three-dimensional structures of semi-conducting materials containing 10 - 100,000 atoms. 
C)  Three-dimensional structures of semi-conducting materials containing 1 - 10,000 atoms. 
D)  Three-dimensional structures of conducting materials containing 1 - 10,000 atoms 
E)  Three-dimensional structures of non-conducting materials containing 1 - 10,000 atoms.

Question 6

What makes calcium carbonate such a good structural material?

Accepted Answer

A)  The low cost of it as a starting material. 
B)  The rigidity of structures made from it. 
C)  The ease with which it can be worked. 
D)  The prevalence of covalent bonds in it. 
E)  The numerous Ca2+ ions within it. 
A)  The low cost of it as a starting material. 
B)  The rigidity of structures made from it. 
C)  The ease with which it can be worked. 
D)  The prevalence of covalent bonds in it. 
E)  The numerous Ca2+ ions within it.

Question 7

The following experiment was carried out using a newly synthesized chlorofluorocarbon .Exactly 50 mL of the gas effused through a porous barrier in 172 s.The same volume of argon effused in 76 s under the same conditions.Which compound is the chlorofluorocarbon?

Accepted Answer

A)  C2Cl2F4  
B)  C2Cl4F2  
C)  C2Cl3F3  
D)  C2Cl5F 
E)  C2ClF5  
A)  C2Cl2F4  
B)  C2Cl4F2  
C)  C2Cl3F3  
D)  C2Cl5F 
E)  C2ClF5

Question 8

How many liters of hydrogen gas measured at 25.0S1U1P1$\circ$S1S1P0C and 745 Torr are produced by detonation of 59.0 g of TNT, trinitrotoluene,
CS1U1B17S1U1B0HS1U1B15S1U1B0(NOS1U1B12S1U1B0)S1U1B13S1U1B0?

Accepted Answer

A)  0.544 L 
B)  6.94 L 
C)  1.36 L 
D)  16.2 L 
A)  0.544 L 
B)  6.94 L 
C)  1.36 L 
D)  16.2 L

Question 9

Sulfur dioxide reacts with oxygen gas to produce sulfur trioxide .
What volume of oxygen gas will react with 15.0 L of sulfur dioxide if both gases are at 101.3 kPa and 125S1U1P1$\omicron $S1S1P0C?

Accepted Answer

A)  30.0 L 
B)  15.0 L 
C)  7.50 L 
D)  5.00 L 
E)  3.75 L 
A)  30.0 L 
B)  15.0 L 
C)  7.50 L 
D)  5.00 L 
E)  3.75 L

Question 10

What components make up soda-lime glass?

Accepted Answer

A)  Silica, plus sodium and calcium carbides.S1U1P1 S1S1P0 
B)  Silica, plus sodium and calcium oxides.S1U1P1 S1S1P0 
C)  Limestone, plus sodium and calcium oxides.S1U1P1 S1S1P0 
D)  Limestone, plus sodium and calcium carbides.S1U1P1 S1S1P0 
E)  Silica, plus silicon carbide.S1U1P1 S1S1P0S1U1P1-S1S1P0S1U1P11 S1S1P0 
A)  Silica, plus sodium and calcium carbides.S1U1P1 S1S1P0 
B)  Silica, plus sodium and calcium oxides.S1U1P1 S1S1P0 
C)  Limestone, plus sodium and calcium oxides.S1U1P1 S1S1P0 
D)  Limestone, plus sodium and calcium carbides.S1U1P1 S1S1P0 
E)  Silica, plus silicon carbide.S1U1P1 S1S1P0S1U1P1-S1S1P0S1U1P11 S1S1P0

Question 11

Determine the percentage of the total volume that is empty space in a primitive cubic structure in which all the atoms are identical.

Accepted Answer

The answer of Determine the percentage of the total volume...

Question 12

Sodium has a body-centered cubic unit cell. If the atomic radius of sodium is 190 pm, what is the density of sodium?

Accepted Answer

The answer of Sodium has a body-centered cubic unit cell....

Question 13

Paramagnetism is a weaker phenomenon than ferromagnetism.

Accepted Answer

A) True 
 B)False

Question 14

How are atoms in a substitutional alloy arranged?

Accepted Answer

A)  In micro-clusters within the greater solid. 
B)  In precise, geometric arrays. 
C)  Those of one element replace those of the major element. 
D)  Those of one element fit into the interstices formed by the major element. 
E)  In planes, known as slips. 
A)  In micro-clusters within the greater solid. 
B)  In precise, geometric arrays. 
C)  Those of one element replace those of the major element. 
D)  Those of one element fit into the interstices formed by the major element. 
E)  In planes, known as slips.

Question 15

The boiling points of the Group 15 binary hydrides increase smoothly from NH3 to SbH3.

Accepted Answer

A) True 
 B)False

Question 16

Which gas is least dense at STP?

Accepted Answer

A)  Argon 
B)  Hydrogen cyanide 
C)  Chlorine 
D)  Helium 
E)  Ammonia 
A)  Argon 
B)  Hydrogen cyanide 
C)  Chlorine 
D)  Helium 
E)  Ammonia

Question 17

How is an alloy defined?

Accepted Answer

A)  As a fixed ratio of metals in a material. 
B)  As a metal and non-metal in an unfixed ratio. 
C)  As two or more elements combined in no fixed ratio, at least one of which is a metal. 
D)  As a pure mixture of two elements. 
E)  As two or more elements in a crystalline structure. 
A)  As a fixed ratio of metals in a material. 
B)  As a metal and non-metal in an unfixed ratio. 
C)  As two or more elements combined in no fixed ratio, at least one of which is a metal. 
D)  As a pure mixture of two elements. 
E)  As two or more elements in a crystalline structure.

Question 18

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

Accepted Answer

A)  C2F2Cl2  
B)  C2FCl5  
C)  C2F4  
D)  Cl2  
E)  F2 
A)  C2F2Cl2  
B)  C2FCl5  
C)  C2F4  
D)  Cl2  
E)  F2

Question 19

What volume is occupied by 50.0 g of chlorine gas at 10.00°C at a pressure of 755 Torr?

Accepted Answer

A)  1.53 L 
B)  8.2 L 
C)  16.4 L 
D)  0.64 L 
E)  181 L 
A)  1.53 L 
B)  8.2 L 
C)  16.4 L 
D)  0.64 L 
E)  181 L

Question 20

Consider two flasks at 25$\omicron $C, one contains an ideal gas and the other contains the real gas SO3. Which statement regarding these gases is true?

Accepted Answer

A)  After the temperature is increased about 100 K, the pressure of the ideal gas will be smaller than the pressure of SO3 because the van der Waals coefficient a for SO3 is large. 
B)  As the temperature is decreased, the ideal gas will liquefy first because ideal gases have larger values of the van der Waals coefficient b. 
C)  After the temperature has been lowered about 100 K, the pressure of the ideal gas will be smaller than the pressure of SO3 because the van der Waals coefficient a for SO3 is large. 
D)  As the temperature approaches 0 K, the volume of the ideal gas will be larger than the volume of SO3 because ideal gases lack intermolecular forces. 
E)  As the temperature approaches 0 K, the volume of the ideal gas will be smaller than the volume of SO3 because ideal gases have larger values of the van der Waals coefficient a. 
A)  After the temperature is increased about 100 K, the pressure of the ideal gas will be smaller than the pressure of SO3 because the van der Waals coefficient a for SO3 is large. 
B)  As the temperature is decreased, the ideal gas will liquefy first because ideal gases have larger values of the van der Waals coefficient b. 
C)  After the temperature has been lowered about 100 K, the pressure of the ideal gas will be smaller than the pressure of SO3 because the van der Waals coefficient a for SO3 is large. 
D)  As the temperature approaches 0 K, the volume of the ideal gas will be larger than the volume of SO3 because ideal gases lack intermolecular forces. 
E)  As the temperature approaches 0 K, the volume of the ideal gas will be smaller than the volume of SO3 because ideal gases have larger values of the van der Waals coefficient a.

Water was found to rise to a height of 7.4 mm in a tube of internal radius 2.0 mm at room temperature .Given its density as 1.0 g.cm^-³, What is the surface tension of water?

What is the molar mass of a gas whose density is 3.55 g.L^-1 at 110^$\circ$C and a pressure of 736 Torr?

A Group 17 or Group 18 gas has a density of 2.92 g.L^-¹ at 1.00 atm and 25^$\omicron$C .The gas is

The solid ZnS has a radius ratio of 0.45 and adopts the zinc-blende structure . What is the coordination number of Zn in ZnS?

What is a quantum dot?

What makes calcium carbonate such a good structural material?

The following experiment was carried out using a newly synthesized chlorofluorocarbon .Exactly 50 mL of the gas effused through a porous barrier in 172 s.The same volume of argon effused in 76 s under the same conditions.Which compound is the chlorofluorocarbon?

How many liters of hydrogen gas measured at 25.0^$\circ$C and 745 Torr are produced by detonation of 59.0 g of TNT, trinitrotoluene, C₇H₅(NO₂)₃?

Sulfur dioxide reacts with oxygen gas to produce sulfur trioxide . What volume of oxygen gas will react with 15.0 L of sulfur dioxide if both gases are at 101.3 kPa and 125^$\omicron$C?

What components make up soda-lime glass?

Determine the percentage of the total volume that is empty space in a primitive cubic structure in which all the atoms are identical.

Sodium has a body-centered cubic unit cell. If the atomic radius of sodium is 190 pm, what is the density of sodium?

Paramagnetism is a weaker phenomenon than ferromagnetism.

How are atoms in a substitutional alloy arranged?

The boiling points of the Group 15 binary hydrides increase smoothly from NH₃ to SbH₃.

Which gas is least dense at STP?

How is an alloy defined?

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

What volume is occupied by 50.0 g of chlorine gas at 10.00°C at a pressure of 755 Torr?

Consider two flasks at 25^$\omicron$C, one contains an ideal gas and the other contains the real gas SO₃. Which statement regarding these gases is true?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Exam 3: States of Matter

Water was found to rise to a height of 7.4 mm in a tube of internal radius 2.0 mm at room temperature .Given its density as 1.0 g.cm-3, What is the surface tension of water?

What is the molar mass of a gas whose density is 3.55 g.L-1 at 110 ∘\circ∘ C and a pressure of 736 Torr?

A Group 17 or Group 18 gas has a density of 2.92 g.L-1 at 1.00 atm and 25 ο\omicron ο C .The gas is

The solid ZnS has a radius ratio of 0.45 and adopts the zinc-blende structure . What is the coordination number of Zn in ZnS?

What is a quantum dot?

What makes calcium carbonate such a good structural material?

The following experiment was carried out using a newly synthesized chlorofluorocarbon .Exactly 50 mL of the gas effused through a porous barrier in 172 s.The same volume of argon effused in 76 s under the same conditions.Which compound is the chlorofluorocarbon?

How many liters of hydrogen gas measured at 25.0 ∘\circ∘ C and 745 Torr are produced by detonation of 59.0 g of TNT, trinitrotoluene, C7H5(NO2)3?

Sulfur dioxide reacts with oxygen gas to produce sulfur trioxide . What volume of oxygen gas will react with 15.0 L of sulfur dioxide if both gases are at 101.3 kPa and 125 ο\omicron ο C?

What components make up soda-lime glass?

Determine the percentage of the total volume that is empty space in a primitive cubic structure in which all the atoms are identical.

Sodium has a body-centered cubic unit cell. If the atomic radius of sodium is 190 pm, what is the density of sodium?

Paramagnetism is a weaker phenomenon than ferromagnetism.

How are atoms in a substitutional alloy arranged?

The boiling points of the Group 15 binary hydrides increase smoothly from NH3 to SbH3.

Which gas is least dense at STP?

How is an alloy defined?

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

What volume is occupied by 50.0 g of chlorine gas at 10.00°C at a pressure of 755 Torr?

Consider two flasks at 25 ο\omicron ο C, one contains an ideal gas and the other contains the real gas SO3. Which statement regarding these gases is true?

Atoms

Molecules

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Organic Chemistry

Filters

Water was found to rise to a height of 7.4 mm in a tube of internal radius 2.0 mm at room temperature .Given its density as 1.0 g.cm^-³, What is the surface tension of water?

What is the molar mass of a gas whose density is 3.55 g.L^-1 at 110^$\circ$C and a pressure of 736 Torr?

A Group 17 or Group 18 gas has a density of 2.92 g.L^-¹ at 1.00 atm and 25^$\omicron$C .The gas is

How many liters of hydrogen gas measured at 25.0^$\circ$C and 745 Torr are produced by detonation of 59.0 g of TNT, trinitrotoluene, C₇H₅(NO₂)₃?

Sulfur dioxide reacts with oxygen gas to produce sulfur trioxide . What volume of oxygen gas will react with 15.0 L of sulfur dioxide if both gases are at 101.3 kPa and 125^$\omicron$C?

The boiling points of the Group 15 binary hydrides increase smoothly from NH₃ to SbH₃.

Consider two flasks at 25^$\omicron$C, one contains an ideal gas and the other contains the real gas SO₃. Which statement regarding these gases is true?