Question 1

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 2

The compound KCN·2H2O is likely to be commonly available and thus found in the laboratory.True or false?

Accepted Answer

A) True 
 B)False

Question 3

Which of the following has the highest molar enthalpy of vaporization?

Accepted Answer

A) Xe 
B) LiBr 
C) H2O 
D) I2 
E) Hg 
A) Xe 
B) LiBr 
C) H2O 
D) I2 
E) Hg

Question 4

If the interaction between two species is proportional to 1/r6,which of the following is likely involved?

Accepted Answer

A) Chloromethane molecules in the gas phase 
B) Chloromethane molecules in the solid phase 
C) Li+ and H2O 
D) Na+ and H2O 
E) Ions in an ionic solid 
A) Chloromethane molecules in the gas phase 
B) Chloromethane molecules in the solid phase 
C) Li+ and H2O 
D) Na+ and H2O 
E) Ions in an ionic solid

Question 5

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 6

Which of the following has the highest boiling point?

Accepted Answer

A) N2  
B) H2S 
C) NH3  
D) H2O 
E) SO2  
A) N2  
B) H2S 
C) NH3  
D) H2O 
E) SO2

Question 7

Which of the following has the highest boiling point?

Accepted Answer

A) CH3CH2CH2CH2CH2Br 
B) CH3CH2CH2CH2CH2I 
C) CH3CH2CH2CH2CH3  
D) CH3CH2CH2CH2CH2F 
E) CH3CH2CH2CH2CH2Cl 
A) CH3CH2CH2CH2CH2Br 
B) CH3CH2CH2CH2CH2I 
C) CH3CH2CH2CH2CH3  
D) CH3CH2CH2CH2CH2F 
E) CH3CH2CH2CH2CH2Cl

Question 8

How many calcium and fluorine ions are there in the fluorite unit cell shown below?

Accepted Answer

A) 4 Ca2+ and 2 - 
B) 4 Ca2+ and 8 - 
C) 2 Ca2+ and 4 - 
D) 2 Ca2+ and 8 - 
E) 4 Ca2+ and 4 - 
A) 4 Ca2+ and 2 - 
B) 4 Ca2+ and 8 - 
C) 2 Ca2+ and 4 - 
D) 2 Ca2+ and 8 - 
E) 4 Ca2+ and 4 -

Question 9

Gold has a face-centered cubic unit cell.If the edge length of the unit cell is 407 pm,what is the atomic radius of gold?

Accepted Answer

The answer of Gold has a face-centered cubic unit cell.If...

Question 10

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?

Accepted Answer

A) 0.15 N.m-1  
B) 0.036 N.m-1  
C) 7.3 * 10-8 N.m-1  
D) 0.073 N.m-1  
E) 1.5 * 10-7 N.m-1  
A) 0.15 N.m-1  
B) 0.036 N.m-1  
C) 7.3 * 10-8 N.m-1  
D) 0.073 N.m-1  
E) 1.5 * 10-7 N.m-1

Question 11

What are all the intermolecular forces that are responsible for the existence of the molecular solid oxalic acid,H2C2O4?

Accepted Answer

A) Dipole-dipole,London forces,and hydrogen bonding 
B) Dipole-dipole and London forces 
C) Hydrogen bonding and dipole-dipole 
D) London forces 
E) Dipole-dipole and ion-ion 
A) Dipole-dipole,London forces,and hydrogen bonding 
B) Dipole-dipole and London forces 
C) Hydrogen bonding and dipole-dipole 
D) London forces 
E) Dipole-dipole and ion-ion

Question 12

In the rock-salt structure (NaCl),the cations occupy all the octahedral holes.True or false?

Accepted Answer

A) True 
 B)False

Question 13

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 14

Which of the following can form intermolecular hydrogen bonds?

Accepted Answer

A) PH3  
B) HI 
C) CH3CH2CH2CH2CH3  
D) HCOOH 
E) CH3CH2OCH2CH3  
A) PH3  
B) HI 
C) CH3CH2CH2CH2CH3  
D) HCOOH 
E) CH3CH2OCH2CH3

Question 15

Which answer best accounts for the Cl- ions present in the NaCl unit cell?

Accepted Answer

A) 1 center atom + 1/2 * 6 face atoms 
B) 1/8 * 8 corner atoms + 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 center atom + 1/8 * 24 corner atoms 
A) 1 center atom + 1/2 * 6 face atoms 
B) 1/8 * 8 corner atoms + 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 center atom + 1/8 * 24 corner atoms

Question 16

All the following hydrated compounds are commonly available except

Accepted Answer

A) BaCl2·2H2O. 
B) NH4NO3·2H2O. 
C) NaClO4·H2O. 
D) Cr(ClO4)3·6H2O. 
E) La2(SO4)3·9H2O. 
A) BaCl2·2H2O. 
B) NH4NO3·2H2O. 
C) NaClO4·H2O. 
D) Cr(ClO4)3·6H2O. 
E) La2(SO4)3·9H2O.

Question 17

What is the coordination number of cesium in CsCl? The ionic radii of Cs+ and Cl- are 170 and 181 pm,respectively.

Accepted Answer

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

Question 18

Which of the following has the lowest boiling point?

Accepted Answer

A) HF 
B) GeH4  
C) SiH4  
D) PH3  
E) H2Se 
A) HF 
B) GeH4  
C) SiH4  
D) PH3  
E) H2Se

Question 19

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 20

Which has the higher boiling point,HCl or HI?

Accepted Answer

The answer of Which has the higher boiling point,HCl or...

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

The compound KCN·2H₂O is likely to be commonly available and thus found in the laboratory.True or false?

Which of the following has the highest molar enthalpy of vaporization?

If the interaction between two species is proportional to 1/r⁶,which of the following is likely involved?

Which of the following statements is true?

Which of the following has the highest boiling point?

Which of the following has the highest boiling point?

How many calcium and fluorine ions are there in the fluorite unit cell shown below?

Gold has a face-centered cubic unit cell.If the edge length of the unit cell is 407 pm,what is the atomic radius of gold?

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 are all the intermolecular forces that are responsible for the existence of the molecular solid oxalic acid,H₂C₂O₄?

In the rock-salt structure (NaCl),the cations occupy all the octahedral holes.True or false?

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

Which of the following can form intermolecular hydrogen bonds?

Which answer best accounts for the Cl^- ions present in the NaCl unit cell?

All the following hydrated compounds are commonly available except

What is the coordination number of cesium in CsCl? The ionic radii of Cs⁺ and Cl^- are 170 and 181 pm,respectively.

Which of the following has the lowest boiling point?

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

Which has the higher boiling point,HCl or HI?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

The Elements: The D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

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Exam 6: Liquids and Solids

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

The compound KCN·2H2O is likely to be commonly available and thus found in the laboratory.True or false?

Which of the following has the highest molar enthalpy of vaporization?

If the interaction between two species is proportional to 1/r6,which of the following is likely involved?

Which of the following statements is true?

Which of the following has the highest boiling point?

Which of the following has the highest boiling point?

How many calcium and fluorine ions are there in the fluorite unit cell shown below?

Gold has a face-centered cubic unit cell.If the edge length of the unit cell is 407 pm,what is the atomic radius of gold?

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 are all the intermolecular forces that are responsible for the existence of the molecular solid oxalic acid,H2C2O4?

In the rock-salt structure (NaCl),the cations occupy all the octahedral holes.True or false?

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

Which of the following can form intermolecular hydrogen bonds?

Which answer best accounts for the Cl- ions present in the NaCl unit cell?

All the following hydrated compounds are commonly available except

What is the coordination number of cesium in CsCl? The ionic radii of Cs+ and Cl- are 170 and 181 pm,respectively.

Which of the following has the lowest boiling point?

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

Which has the higher boiling point,HCl or HI?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

The Elements: The D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

The compound KCN·2H₂O is likely to be commonly available and thus found in the laboratory.True or false?

If the interaction between two species is proportional to 1/r⁶,which of the following is likely involved?

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 are all the intermolecular forces that are responsible for the existence of the molecular solid oxalic acid,H₂C₂O₄?

Which answer best accounts for the Cl^- ions present in the NaCl unit cell?

What is the coordination number of cesium in CsCl? The ionic radii of Cs⁺ and Cl^- are 170 and 181 pm,respectively.