Question 1

Which of the following gases will have the same density at STP?

Accepted Answer

A)  oxygen and methane 
B)  hydrogen and helium 
C)  carbon monoxide and nitrogen 
D)  hydrogen chloride and fluorine 
A)  oxygen and methane 
B)  hydrogen and helium 
C)  carbon monoxide and nitrogen 
D)  hydrogen chloride and fluorine

Question 2

The density of methane is equal to the density of oxygen under the same conditions.

Accepted Answer

A) True 
 B)False

Question 3

Assume that the temperature and quantity of a gas sample remain constant. A 1.6 L sample of a gas is originally at 330 K and 4.84 atm. Calculate the final pressure when the volume is reduced to 840 mL.

Accepted Answer

A)  9.22 atm 
B)  4.61 atm 
C)  18.44 atm 
D)  3.66 atm 
A)  9.22 atm 
B)  4.61 atm 
C)  18.44 atm 
D)  3.66 atm

Question 4

The density of sulfur vapor at 1273 K and 740 mm Hg is 0.5977 g/L. Sulfur at that temperature will be ________.

Accepted Answer

A)  monoatomic 
B)  diatomic 
C)  triatomic 
D)  tetraatomic 
A)  monoatomic 
B)  diatomic 
C)  triatomic 
D)  tetraatomic

Question 5

Match each gas with its corresponding density, at STP.
-carbon tetrafluoride

Accepted Answer

A) 0.900 g/L 
B) 2.86 g/ L 
C) 1.43 g/L 
D) 3.93 g/L 
E) 1.34 g/L
F)0.760 g/ L 
A) 0.900 g/L 
B) 2.86 g/ L 
C) 1.43 g/L 
D) 3.93 g/L 
E) 1.34 g/L
F)0.760 g/ L

Question 6

380 mm Hg is equal to ________ atm.

Accepted Answer

A)  0.50 
B)  2.0 
C)  5.0 
D)  20.0 
A)  0.50 
B)  2.0 
C)  5.0 
D)  20.0

Question 7

Match the number of moles with each of the following quantities of substances, measured at STP.
-2.00 moles

Accepted Answer

A) 12.1 L of neon gas 
B) 32.0 g of oxygen gas 
C) 44.8 L of ammonia gas 
D) 3.00 liters of acetylene 
E) 16.0 g of oxygen gas 
A) 12.1 L of neon gas 
B) 32.0 g of oxygen gas 
C) 44.8 L of ammonia gas 
D) 3.00 liters of acetylene 
E) 16.0 g of oxygen gas

Question 8

The typical units for the density of gases are g/L.

Accepted Answer

A) True 
 B)False

Question 9

A gas under an initial pressure of 0.60 atm is compressed at constant temperature from 27 L to 3.0 L. The final pressure becomes ________.

Accepted Answer

A)  0.060 atm 
B)  0.54 atm 
C)  5.4 atm 
D)  54 atm 
A)  0.060 atm 
B)  0.54 atm 
C)  5.4 atm 
D)  54 atm

Question 10

The pressure of 0.500 atm is equal to 0.500 mm Hg.

Accepted Answer

A) True 
 B)False

Question 11

Match each gas with its corresponding density, at STP.
-sulfur dioxide

Accepted Answer

A) 0.900 g/L 
B) 2.86 g/ L 
C) 1.43 g/L 
D) 3.93 g/L 
E) 1.34 g/L
F)0.760 g/ L 
A) 0.900 g/L 
B) 2.86 g/ L 
C) 1.43 g/L 
D) 3.93 g/L 
E) 1.34 g/L
F)0.760 g/ L

Question 12

Ideal gas molecules undergo non-elastic collisions.

Accepted Answer

A) True 
 B)False

Question 13

Match each gas with its corresponding density, at STP.
-ammonia

Accepted Answer

A) 0.900 g/L 
B) 2.86 g/ L 
C) 1.43 g/L 
D) 3.93 g/L 
E) 1.34 g/L
F)0.760 g/ L 
A) 0.900 g/L 
B) 2.86 g/ L 
C) 1.43 g/L 
D) 3.93 g/L 
E) 1.34 g/L
F)0.760 g/ L

Question 14

Match each set of two variables of an ideal gas  with its corresponding relationship (proportional or inversely proportional).
-pressure and temperature

Accepted Answer

A) proportional 
B) inversely proportional 
A) proportional 
B) inversely proportional

Question 15

Match each set of two variables of an ideal gas  with its corresponding relationship (proportional or inversely proportional).
-volume and temperature

Accepted Answer

A) proportional 
B) inversely proportional 
A) proportional 
B) inversely proportional

Question 16

Increasing the temperature of a gas from 100 °C to 200 °C will cause the volume to double.

Accepted Answer

A) True 
 B)False

Question 17

Which statement is not true about an ideal gas?

Accepted Answer

A)  Ideal gas molecules travel in a straight line. 
B)  Molecular collisions are elastic. 
C)  The intermolecular forces in gas molecules are very weak except when they collide. 
D)  Higher temperatures slow down the speed of the molecules. 
A)  Ideal gas molecules travel in a straight line. 
B)  Molecular collisions are elastic. 
C)  The intermolecular forces in gas molecules are very weak except when they collide. 
D)  Higher temperatures slow down the speed of the molecules.

Question 18

Match the volumes with the other variables that best match
-21.7 L occupied by ________.

Accepted Answer

A) 40.0 g of fluorine gas at STP 
B) 40.0 g of fluorine gas at 900 torr and 298 K 
C) 48.0 g ozone at STP 
D) 3.9 g helium gas at -20 °C and 800 mm Hg 
E) 16.0 g oxygen gas at STP
F)0.30 moles of methane gas at STP 
A) 40.0 g of fluorine gas at STP 
B) 40.0 g of fluorine gas at 900 torr and 298 K 
C) 48.0 g ozone at STP 
D) 3.9 g helium gas at -20 °C and 800 mm Hg 
E) 16.0 g oxygen gas at STP
F)0.30 moles of methane gas at STP

Which of the following gases will have the same density at STP?

The density of methane is equal to the density of oxygen under the same conditions.

Assume that the temperature and quantity of a gas sample remain constant. A 1.6 L sample of a gas is originally at 330 K and 4.84 atm. Calculate the final pressure when the volume is reduced to 840 mL.

The density of sulfur vapor at 1273 K and 740 mm Hg is 0.5977 g/L. Sulfur at that temperature will be ________.

Match each gas with its corresponding density, at STP. -carbon tetrafluoride

380 mm Hg is equal to ________ atm.

Match the number of moles with each of the following quantities of substances, measured at STP. -2.00 moles

The typical units for the density of gases are g/L.

A gas under an initial pressure of 0.60 atm is compressed at constant temperature from 27 L to 3.0 L. The final pressure becomes ________.

The pressure of 0.500 atm is equal to 0.500 mm Hg.

Match each gas with its corresponding density, at STP. -sulfur dioxide

Ideal gas molecules undergo non-elastic collisions.

Match each gas with its corresponding density, at STP. -ammonia

Match each set of two variables of an ideal gas with its corresponding relationship (proportional or inversely proportional). -pressure and temperature

Match each set of two variables of an ideal gas with its corresponding relationship (proportional or inversely proportional). -volume and temperature

Increasing the temperature of a gas from 100 °C to 200 °C will cause the volume to double.

Which statement is not true about an ideal gas?

Match the volumes with the other variables that best match -21.7 L occupied by ________.

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 11: What If There Were No Intermolecular Forces - the Ideal Gas

Which of the following gases will have the same density at STP?

The density of methane is equal to the density of oxygen under the same conditions.

Assume that the temperature and quantity of a gas sample remain constant. A 1.6 L sample of a gas is originally at 330 K and 4.84 atm. Calculate the final pressure when the volume is reduced to 840 mL.

The density of sulfur vapor at 1273 K and 740 mm Hg is 0.5977 g/L. Sulfur at that temperature will be ________.

Match each gas with its corresponding density, at STP. -carbon tetrafluoride

380 mm Hg is equal to ________ atm.

Match the number of moles with each of the following quantities of substances, measured at STP. -2.00 moles

The typical units for the density of gases are g/L.

A gas under an initial pressure of 0.60 atm is compressed at constant temperature from 27 L to 3.0 L. The final pressure becomes ________.

The pressure of 0.500 atm is equal to 0.500 mm Hg.

Match each gas with its corresponding density, at STP. -sulfur dioxide

Ideal gas molecules undergo non-elastic collisions.

Match each gas with its corresponding density, at STP. -ammonia

Match each set of two variables of an ideal gas with its corresponding relationship (proportional or inversely proportional). -pressure and temperature

Match each set of two variables of an ideal gas with its corresponding relationship (proportional or inversely proportional). -volume and temperature

Increasing the temperature of a gas from 100 °C to 200 °C will cause the volume to double.

Which statement is not true about an ideal gas?

Match the volumes with the other variables that best match -21.7 L occupied by ________.

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters