Question 1

N2 will diffuse faster than NO2.

Accepted Answer

A) True 
 B)False

Question 2

The figure below is an example of which gas law?

Accepted Answer

A)  Charles' 
B)  Boyle's 
C)  Avagadro's 
D)  Dalton's 
A)  Charles' 
B)  Boyle's 
C)  Avagadro's 
D)  Dalton's

Question 3

What is the total pressure of a gaseous mixture that contains three gases with partial pressures of 0.845 atm,120 torr and 210 mm Hg?

Accepted Answer

A)  1175 torr 
B)  972 torr 
C)  0.411 atm 
D)  331 torr 
A)  1175 torr 
B)  972 torr 
C)  0.411 atm 
D)  331 torr

Question 4

How does the kinetic energy of a particle change if the particle's velocity is increased by a factor of 3?

Accepted Answer

A)  kinetic energy increases by a factor of 3 
B)  kinetic energy decreases by a factor of 3 
C)  kinetic energy increases by a factor of 9 
D)  kinetic energy increases by a factor of 2 
A)  kinetic energy increases by a factor of 3 
B)  kinetic energy decreases by a factor of 3 
C)  kinetic energy increases by a factor of 9 
D)  kinetic energy increases by a factor of 2

Question 5

Using d = m/V,what is the volume (V)of a solid that has a density of 3.14g/cm3 and has a mass of 7.04 grams?

Accepted Answer

A)  22.1 cm3 
B)  22.11 cm3 
C)  2.24 cm3 
D)  2.242 cm3 
A)  22.1 cm3 
B)  22.11 cm3 
C)  2.24 cm3 
D)  2.242 cm3

Question 6

The addition of heat causes all substances to change from a solid to a liquid to a gas.

Accepted Answer

A) True 
 B)False

Question 7

The heat of vaporization is twice as great as the heat of condensation.

Accepted Answer

A) True 
 B)False

Question 8

In which of the following processes does the energy of the water increase?

Accepted Answer

A)  water freezes 
B)  steam condenses to liquid 
C)  water evaporates 
D)  more than one response is correct 
A)  water freezes 
B)  steam condenses to liquid 
C)  water evaporates 
D)  more than one response is correct

Question 9

When a liquid sample is taken from sea level to a higher elevation,what happens to the external (atmospheric)pressure on the liquid and the boiling point of the liquid?

Accepted Answer

A)  both decrease 
B)  both increase 
C)  pressure goes down,but boiling point goes up 
D)  pressure goes up,but boiling point goes down 
A)  both decrease 
B)  both increase 
C)  pressure goes down,but boiling point goes up 
D)  pressure goes up,but boiling point goes down

Question 10

Pure substances in the gaseous state contain more energy than in the liquid state.

Accepted Answer

A) True 
 B)False

Question 11

The direct change from the solid state to the vapor state is called _____ .

Accepted Answer

A)  evaporation 
B)  sublimation 
C)  boiling 
D)  fusion 
A)  evaporation 
B)  sublimation 
C)  boiling 
D)  fusion

Question 12

You have a patient that is currently experience extreme discomfort after eating a large quantity of beans.The pain is being caused by the build up of gas pressure in the large intestines.If you were able to put a pressure gauge in to the patient,which of the following would be a reasonable pressure that you might observe.

Accepted Answer

A)  860 torr 
B)  860 psi 
C)  860 pascal 
D)  860 atm 
A)  860 torr 
B)  860 psi 
C)  860 pascal 
D)  860 atm

Question 13

Polar liquids would normally have higher heats of vaporization than non-polar liquids.

Accepted Answer

A) True 
 B)False

Question 14

Liquid alcohol is placed in a container at 25S1U1P1$\circ$S1S1P0C,which is sealed.The alcohol starts to evaporate and then stops because the pressure of the gas is the same as the vapor pressure of the liquid.

Accepted Answer

A) True 
 B)False

Question 15

What pressure will 3.20 mol of N2 gas exert if confined in a 15.0 L container at 100S1U1P1$\circ$S1S1P0C?

Accepted Answer

A)  1.75 atm 
B)  6.53 atm 
C)  3.27 atm 
D)  13.0 atm 
A)  1.75 atm 
B)  6.53 atm 
C)  3.27 atm 
D)  13.0 atm

Question 16

Overtime,a latex balloon will lose its shape and buoyancy.Which process can be used to explain why this occurs?

Accepted Answer

A)  sublimation 
B)  condensation 
C)  effusion 
D)  diffusion 
A)  sublimation 
B)  condensation 
C)  effusion 
D)  diffusion

Question 17

A balloon has a volume of 5.00 liters of 22S1U1P1$\circ$S1S1P0C and 1.00 atmosphere of pressure.What will be the balloon's volume in liters if the pressure is increased to 3.00 atmospheres at 22S1U1P1$\circ$S1S1P0C?

Accepted Answer

A)  1.67 
B)  0.600 
C)  1.30 
D)  0.800 
A)  1.67 
B)  0.600 
C)  1.30 
D)  0.800

Question 18

A fan works to cool a person because the breeze makes each gram of water that evaporates carry off more heat than without the fan.

Accepted Answer

A) True 
 B)False

Question 19

A gas sample has a volume of 500 mL at 20S1U1P1$\circ$S1S1P0C.At what Celsius temperature would the gas have a volume half as large?

Accepted Answer

A)  (10S1U1P1$\circ$S1S1P0
C)  
B)  (147S1U1P1$\circ$S1S1P0
C)  
C)  (-147S1U1P1$\circ$S1S1P0
C)  
D)  (-127S1U1P1$\circ$S1S1P0
C)  
A)  (10S1U1P1$\circ$S1S1P0
C)  
B)  (147S1U1P1$\circ$S1S1P0
C)  
C)  (-147S1U1P1$\circ$S1S1P0
C)  
D)  (-127S1U1P1$\circ$S1S1P0
C)

Question 20

A 3.2 liter sample of gas is at 40S1U1P1$\circ$S1S1P0C and 1.0 atmosphere of pressure.If the temperature decreases to 20S1U1P1$\circ$S1S1P0C and the pressure decreases to 0.60 atmospheres,what is the new volume in liters?

Accepted Answer

A)  5.7 
B)  5.0 
C)  1.8 
D)  0.20 
A)  5.7 
B)  5.0 
C)  1.8 
D)  0.20

Exam 6: The States of Matter

N2 will diffuse faster than NO2.

The figure below is an example of which gas law?

What is the total pressure of a gaseous mixture that contains three gases with partial pressures of 0.845 atm,120 torr and 210 mm Hg?

How does the kinetic energy of a particle change if the particle's velocity is increased by a factor of 3?

Using d = m/V,what is the volume (V)of a solid that has a density of 3.14g/cm3 and has a mass of 7.04 grams?

The addition of heat causes all substances to change from a solid to a liquid to a gas.

The heat of vaporization is twice as great as the heat of condensation.

In which of the following processes does the energy of the water increase?

When a liquid sample is taken from sea level to a higher elevation,what happens to the external (atmospheric)pressure on the liquid and the boiling point of the liquid?

Pure substances in the gaseous state contain more energy than in the liquid state.

The direct change from the solid state to the vapor state is called _____ .

Polar liquids would normally have higher heats of vaporization than non-polar liquids.

Liquid alcohol is placed in a container at 25 ∘\circ∘ C,which is sealed.The alcohol starts to evaporate and then stops because the pressure of the gas is the same as the vapor pressure of the liquid.

What pressure will 3.20 mol of N2 gas exert if confined in a 15.0 L container at 100 ∘\circ∘ C?

Overtime,a latex balloon will lose its shape and buoyancy.Which process can be used to explain why this occurs?

A balloon has a volume of 5.00 liters of 22 ∘\circ∘ C and 1.00 atmosphere of pressure.What will be the balloon's volume in liters if the pressure is increased to 3.00 atmospheres at 22 ∘\circ∘ C?

A fan works to cool a person because the breeze makes each gram of water that evaporates carry off more heat than without the fan.

A gas sample has a volume of 500 mL at 20 ∘\circ∘ C.At what Celsius temperature would the gas have a volume half as large?

A 3.2 liter sample of gas is at 40 ∘\circ∘ C and 1.0 atmosphere of pressure.If the temperature decreases to 20 ∘\circ∘ C and the pressure decreases to 0.60 atmospheres,what is the new volume in liters?

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

Solutions and Colloids

Reaction Rates and Equilibrium

Acids,bases,and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

N₂ will diffuse faster than NO₂.

Using d = m/V,what is the volume (V)of a solid that has a density of 3.14g/cm³ and has a mass of 7.04 grams?

Liquid alcohol is placed in a container at 25^$\circ$C,which is sealed.The alcohol starts to evaporate and then stops because the pressure of the gas is the same as the vapor pressure of the liquid.

What pressure will 3.20 mol of N₂ gas exert if confined in a 15.0 L container at 100^$\circ$C?

A balloon has a volume of 5.00 liters of 22^$\circ$C and 1.00 atmosphere of pressure.What will be the balloon's volume in liters if the pressure is increased to 3.00 atmospheres at 22^$\circ$C?

A gas sample has a volume of 500 mL at 20^$\circ$C.At what Celsius temperature would the gas have a volume half as large?

A 3.2 liter sample of gas is at 40^$\circ$C and 1.0 atmosphere of pressure.If the temperature decreases to 20^$\circ$C and the pressure decreases to 0.60 atmospheres,what is the new volume in liters?