Question 1

What are the strongest and weakest forces of attraction between molecules?

Accepted Answer

A)  dipole-dipole forces (strongest)and London dispersion forces (weakest) 
B)  hydrogen bonds (strongest)and dipole-dipole forces (weakest) 
C)  hydrogen bonds (strongest)and London dispersion forces (weakest) 
D)  dipole-dipole forces (strongest)and ionic attractions (weakest) 
A)  dipole-dipole forces (strongest)and London dispersion forces (weakest) 
B)  hydrogen bonds (strongest)and dipole-dipole forces (weakest) 
C)  hydrogen bonds (strongest)and London dispersion forces (weakest) 
D)  dipole-dipole forces (strongest)and ionic attractions (weakest)

Question 2

A(n)_____ is composed of long chains of covalently bonded atoms.

Accepted Answer

A)  polymer 
B)  ionic compound 
C)  polar covalent molecule 
D)  London dispersion force 
A)  polymer 
B)  ionic compound 
C)  polar covalent molecule 
D)  London dispersion force

Question 3

Which gas,in the amount of 1.4 moles,if placed into a 2.5-L balloon would MOST allow that balloon to remain full after several days?

Accepted Answer

A)  SF6 
B)  He 
C)  CO 
D)  CO2 
A)  SF6 
B)  He 
C)  CO 
D)  CO2

Question 4

What volume would 12.0 grams of helium occupy at 1.7 atmospheres of pressure and a temperature of 300 K?

Accepted Answer

A)  0.023 L 
B)  22.4 L 
C)  174 L 
D)  43.4 L 
A)  0.023 L 
B)  22.4 L 
C)  174 L 
D)  43.4 L

Question 5

_____ is/are the spread of particles through random motion.

Accepted Answer

A)  Diffusion 
B)  Effusion 
C)  Both diffusion and effusion 
D)  Gas pressure 
A)  Diffusion 
B)  Effusion 
C)  Both diffusion and effusion 
D)  Gas pressure

Question 6

A gas sample in a container has a pressure of 2.4 atmospheres at a temperature of 0 °C.If the volume of the gas doesn't change,what is the pressure after the system is heated to 100 °C?

Accepted Answer

A)  0 atm 
B)  1.8 atm 
C)  3.3 atm 
D)  1.4 atm 
A)  0 atm 
B)  1.8 atm 
C)  3.3 atm 
D)  1.4 atm

Question 7

Which statement CORRECTLY describes a phase change concerning water?

Accepted Answer

A)  When liquid water gains enough heat,it will change to a solid. 
B)  When water vapor gets hot enough,it will turn into liquid water. 
C)  Cooling water vapor can cause a phase change to liquid water. 
D)  Cooling liquid water will cause a phase change to water vapor. 
A)  When liquid water gains enough heat,it will change to a solid. 
B)  When water vapor gets hot enough,it will turn into liquid water. 
C)  Cooling water vapor can cause a phase change to liquid water. 
D)  Cooling liquid water will cause a phase change to water vapor.

Question 8

Airbags rapidly produce nitrogen gas through reactions like this one: 2 NaN3 (s)$\rightarrow$Na (s)+ 3 N2 (g)
In this reaction,what volume of nitrogen gas can be produced by the reaction of 13.0 g of NaN3 if the temperature is 350 K and the pressure is 1.2 atmospheres? The formula mass of NaN3 = 65 g/mol.

Accepted Answer

A)  23,350 L 
B)  7.2 L 
C)  4.7 L 
D)  0.023 L 
A)  23,350 L 
B)  7.2 L 
C)  4.7 L 
D)  0.023 L

Question 9

A certain gas has a pressure of 0.759 atm.What is its pressure in psi?

Accepted Answer

A)  577 psi 
B)  11.2 psi 
C)  76.9 psi 
D)  19.4 psi 
A)  577 psi 
B)  11.2 psi 
C)  76.9 psi 
D)  19.4 psi

Question 10

Which substance has the STRONGEST forces between its particles?

Accepted Answer

A)  quartz (melting point = 1,610 °
C)  
B)  diamond (melting point = 3,550 °
C)  
C)  sodium chloride (melting point = 801 °
C)  
D)  magnesium oxide (melting point = 2,800 °
C)  
A)  quartz (melting point = 1,610 °
C)  
B)  diamond (melting point = 3,550 °
C)  
C)  sodium chloride (melting point = 801 °
C)  
D)  magnesium oxide (melting point = 2,800 °
C)

What are the strongest and weakest forces of attraction between molecules?

A(n)_____ is composed of long chains of covalently bonded atoms.

Which gas,in the amount of 1.4 moles,if placed into a 2.5-L balloon would MOST allow that balloon to remain full after several days?

What volume would 12.0 grams of helium occupy at 1.7 atmospheres of pressure and a temperature of 300 K?

_____ is/are the spread of particles through random motion.

A gas sample in a container has a pressure of 2.4 atmospheres at a temperature of 0 °C.If the volume of the gas doesn't change,what is the pressure after the system is heated to 100 °C?

Which statement CORRECTLY describes a phase change concerning water?

A certain gas has a pressure of 0.759 atm.What is its pressure in psi?

Which substance has the STRONGEST forces between its particles?

Foundations

Measurement

Atoms

Light and Electronic Structure

Chemical Bonds Compounds

Chemical Reactions

Mass Stoichiometry

Energy

Covalent Bonding and Molecules

Solutions

Acids Bases

Reaction Rates Equilibrium

Oxidation-Reduction Reactions

Organic Chemistry and Biomolecules

Nuclear Chemistry

Filters

Exam 10: Solids, Liquids, and Gases

What are the strongest and weakest forces of attraction between molecules?

A(n)_____ is composed of long chains of covalently bonded atoms.

Which gas,in the amount of 1.4 moles,if placed into a 2.5-L balloon would MOST allow that balloon to remain full after several days?

What volume would 12.0 grams of helium occupy at 1.7 atmospheres of pressure and a temperature of 300 K?

_____ is/are the spread of particles through random motion.

A gas sample in a container has a pressure of 2.4 atmospheres at a temperature of 0 °C.If the volume of the gas doesn't change,what is the pressure after the system is heated to 100 °C?

Which statement CORRECTLY describes a phase change concerning water?

A certain gas has a pressure of 0.759 atm.What is its pressure in psi?

Which substance has the STRONGEST forces between its particles?

Foundations

Measurement

Atoms

Light and Electronic Structure

Chemical Bonds Compounds

Chemical Reactions

Mass Stoichiometry

Energy

Covalent Bonding and Molecules

Solutions

Acids Bases

Reaction Rates Equilibrium

Oxidation-Reduction Reactions

Organic Chemistry and Biomolecules

Nuclear Chemistry

Filters