Gases

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Chemistry in Our Lives
Chemistry and Measurement
Matter and Energy
Atoms and Elements
Nuclear Chemistry
Ionic and Molecular Compounds
Chemical Quantities and Reactions
Gases
Solutions
Acids and Bases and Equilibrium
Introduction to Organic Chemistry: Hydrocarbons
Alcohols,Thiols,Ethers,Aldehydes,and Ketones
Carbohydrates
Carboxylic Acids,Esters,Amines,and Amides
Lipids
Amino Acids,Proteins,and Enzymes
Nucleic Acids and Protein Synthesis
Metabolic Pathways and Energy Production

All Questions

Question 1

Free

Multiple Choice

Which of the following is not part of the kinetic theory of gases?

Choose correct answer/s

A gas is composed of very small particles.

There is very little empty space in a gas.

Gas particles move rapidly.

Gas particles do not attract or repel one another.

Gas particles move faster when the temperature increases.

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Question 2

Free

Multiple Choice

According to the kinetic theory of gases,a gas can be compressed much more than a liquid or solid because ________ .

Choose correct answer/s

a gas is composed of very small particles

the particles of a gas are very far apart

gas particles move rapidly

gas particles do not attract or repel one another

gas particles move faster when the temperature increases

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Question 3

Free

Multiple Choice

In the kinetic molecular theory of gas behavior,the assumption is made that gas molecules ________ .

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move rapidly in random directions

are attracted to each other by strong forces

are close together in their container

move with a kinetic energy equal to their centigrade temperature

occasionally come to rest

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Question 4

Free

Multiple Choice

According to the kinetic theory of gases,particles of a gas ________ .

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are very large particles

are very far apart

lose their valence electrons

move slowly

decrease kinetic energy as temperature increases

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Question 5

Free

Multiple Choice

In the kinetic molecular theory of gas behavior,particles of a gas tend to move and collisions between them are .

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rapidly,rare

slowly,rare

rapidly,elastic

slowly,elastic

slowly,unusual

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Question 6

Multiple Choice

The force of gas particles against the walls of a container is called ________ .

Choose correct answer/s

pressure

volume

temperature

quantity of gas

density

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Question 7

Multiple Choice

Which measurement describes the pressure of a gas?

Choose correct answer/s

315 K

1.2 g/L

2.5 L

725 mmHg

0.45 moles

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Question 8

Multiple Choice

The unit of 1 atmosphere used to describe the pressure of a gas is equal to ________ .

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1 mmHg

100 mmHg

200 mmHg

600 mmHg

760 mmHg

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Question 9

Multiple Choice

A 5.00-L tank contains helium gas at 1.50 atm.What is the pressure of the gas in mmHg?

Choose correct answer/s

1.50 mmHg

507 mmHg

760 mmHg

1140 mmHg

3800 mmHg

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Question 10

Multiple Choice

In response to Boyle's law,the pressure of a gas increases as the volume decreases because ________ .

Choose correct answer/s

the gas particles get bigger

the kinetic energy of the gas particles increases

the temperature of the gas increases

the gas particles strike the walls of the container with more force

the gas particles strike the walls of the container more often

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Question 11

Multiple Choice

Which of the following correctly describes the process of inspiration (air entering the lungs)?

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The lungs expand,causing their internal pressure to decrease.

The lungs expand,causing their internal pressure to increase.

The lungs contract,causing their internal pressure to decrease.

The lungs contract,causing their internal pressure to increase.

There is no change in the internal pressure in the lungs.

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Question 12

Multiple Choice

The volume of a gas with a pressure of 1.2 atm increases from 1.0 L to 4.0 L.What is the final pressure of the gas,assuming constant temperature?

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1.2 atm

0.30 atm

3.3 atm

4.8 atm

1.0 atm

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Question 13

Multiple Choice

The pressure of 5.0 L of gas increases from 1.50 atm to 1240 mmHg.What is the final volume of the gas,assuming constant temperature?

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4100 L

5.0 L

0.0060 L

5.4 L

4.6 L

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Question 14

Multiple Choice

The gas with an initial volume of 24.0 L at a pressure of 565 torr is compressed until the volume is 16.0 L.What is the final pressure of the gas,assuming the temperature does not change?

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377 torr

760 torr

848 torr

500.torr

465 torr

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Question 15

Multiple Choice

A balloon is filled with helium gas.For the following question(s),select the letter of the balloon diagram that corresponds to the given change in conditions.
-The balloon is put into a chamber where the pressure is less than the atmospheric pressure.

Choose correct answer/s

A and B

B and C

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Question 16

Multiple Choice

At constant temperature,a sample of helium at 760.torr in a closed container was compressed from 5.00 L to 3.00 L.What was the new pressure exerted by the helium on its container?

Choose correct answer/s

800.torr

2280 torr

15.0 torr

3800 torr

1270 torr

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Question 17

Multiple Choice

A gas sample in a closed,expandable container of initial volume 5.00 L was allowed to warm from 25 °C to What was its new volume?

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4.84 L

5.17 L

7.00 L

3.57 L

4380 L

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Question 18

Multiple Choice

A balloon is filled with helium gas.For the following question(s),select the letter of the balloon diagram that corresponds to the given change in conditions.
-The temperature is changed from 50 °C to -150 °C at constant pressure.

Choose correct answer/s

A and B

B and C

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Question 19

Multiple Choice

Complete the following statement: In Charles's law,the volume of a gas when the decreases.

Choose correct answer/s

increases,temperature

increases,quantity of gas

increases,pressure

decreases,temperature

decreases,pressure

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Question 20

Multiple Choice

What temperature scale is used in gas law calculations?

Choose correct answer/s

Fahrenheit

Celsius

Kelvin

either Celsius or Fahrenheit

either Celsius or Kelvin

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Gases

Which of the following is not part of the kinetic theory of gases?

According to the kinetic theory of gases,a gas can be compressed much more than a liquid or solid because ________ .

In the kinetic molecular theory of gas behavior,the assumption is made that gas molecules ________ .

According to the kinetic theory of gases,particles of a gas ________ .

In the kinetic molecular theory of gas behavior,particles of a gas tend to move ________ and collisions between them are ________ .

The force of gas particles against the walls of a container is called ________ .

Which measurement describes the pressure of a gas?

The unit of 1 atmosphere used to describe the pressure of a gas is equal to ________ .

A 5.00-L tank contains helium gas at 1.50 atm.What is the pressure of the gas in mmHg?

In response to Boyle's law,the pressure of a gas increases as the volume decreases because ________ .

Which of the following correctly describes the process of inspiration (air entering the lungs)?

The volume of a gas with a pressure of 1.2 atm increases from 1.0 L to 4.0 L.What is the final pressure of the gas,assuming constant temperature?

The pressure of 5.0 L of gas increases from 1.50 atm to 1240 mmHg.What is the final volume of the gas,assuming constant temperature?

The gas with an initial volume of 24.0 L at a pressure of 565 torr is compressed until the volume is 16.0 L.What is the final pressure of the gas,assuming the temperature does not change?

A balloon is filled with helium gas.For the following question(s),select the letter of the balloon diagram that corresponds to the given change in conditions. -The balloon is put into a chamber where the pressure is less than the atmospheric pressure.

At constant temperature,a sample of helium at 760.torr in a closed container was compressed from 5.00 L to 3.00 L.What was the new pressure exerted by the helium on its container?

A gas sample in a closed,expandable container of initial volume 5.00 L was allowed to warm from 25 °C to What was its new volume?

A balloon is filled with helium gas.For the following question(s),select the letter of the balloon diagram that corresponds to the given change in conditions. -The temperature is changed from 50 °C to -150 °C at constant pressure.

Complete the following statement: In Charles's law,the volume of a gas ________ when the ________ decreases.

What temperature scale is used in gas law calculations?

In the kinetic molecular theory of gas behavior,particles of a gas tend to move and collisions between them are .

A balloon is filled with helium gas.For the following question(s),select the letter of the balloon diagram that corresponds to the given change in conditions.
-The balloon is put into a chamber where the pressure is less than the atmospheric pressure.

A balloon is filled with helium gas.For the following question(s),select the letter of the balloon diagram that corresponds to the given change in conditions.
-The temperature is changed from 50 °C to -150 °C at constant pressure.

Complete the following statement: In Charles's law,the volume of a gas when the decreases.