Exam 8: Gases

A gas sample in a closed,expandable container of initial volume 5.00 L was allowed to warm from 25 °C to 35 °C What was its new volume,assuming the pressure and amount of gas do not change?

(Multiple Choice)

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Question 21

A temperature of 273 °C is equivalent to ________ K.

(Short Answer)

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Question 22

The pressure decreases as the temperature decreases,if volume and amount of gas do not change.

(True/False)

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Question 23

At 0 K,all molecular motion stops.

(True/False)

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Question 24

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

(Multiple Choice)

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Question 25

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 and amount of gas?

(Multiple Choice)

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Question 26

According to Boyle's Law,when the volume increases,the pressure ________.

(Short Answer)

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Question 27

The speed of gas molecules is related to the volume of the container.

(True/False)

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Question 28

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

(Multiple Choice)

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Question 29

A gas sample containing 12 g of CH₄ has a volume of 14 L.What will the volume be if 12 g of He is added? (Temperature and pressure do not change.)

(Multiple Choice)

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Question 30

At STP,temperature and pressure have the values of ________.

(Multiple Choice)

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Question 31

A temperature of 125 °C is the same as ________.

(Multiple Choice)

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Question 32

A gas contained in a steel tank has a pressure of 1.5 atm at a temperature of 320 K.What will be the gas pressure when the temperature changes to 450 K,if the volume and amount of gas do not change?

(Multiple Choice)

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Question 33

A gas has a pressure of 700.mmHg when the temperature is 107 °C.At what temperature (°C)will the pressure be 600.mmHg,if there is no change in volume or amount of gas?

(Short Answer)

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Question 34

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 and amount of gas?

(Multiple Choice)

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Question 35

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

(Multiple Choice)

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Question 36

The pressure increases as the volume increases,if temperature and amount of gas do not change.

(True/False)

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Question 37

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

(Multiple Choice)

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Question 38

What is the total pressure (in atm)of a gas mixture,which has CH4 600.torr and He 450.mmHg?

(Short Answer)

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Question 39

The pressure exerted by a gas on its container is directly proportional to ________.

(Multiple Choice)

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Question 40

Showing 21 - 40 of 76

A gas sample in a closed,expandable container of initial volume 5.00 L was allowed to warm from 25 °C to 35 °C What was its new volume,assuming the pressure and amount of gas do not change?

A temperature of 273 °C is equivalent to ________ K.

The pressure decreases as the temperature decreases,if volume and amount of gas do not change.

At 0 K,all molecular motion stops.

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

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 and amount of gas?

According to Boyle's Law,when the volume increases,the pressure ________.

The speed of gas molecules is related to the volume of the container.

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

A gas sample containing 12 g of CH₄ has a volume of 14 L.What will the volume be if 12 g of He is added? (Temperature and pressure do not change.)

At STP,temperature and pressure have the values of ________.

A temperature of 125 °C is the same as ________.

A gas contained in a steel tank has a pressure of 1.5 atm at a temperature of 320 K.What will be the gas pressure when the temperature changes to 450 K,if the volume and amount of gas do not change?

A gas has a pressure of 700.mmHg when the temperature is 107 °C.At what temperature (°C)will the pressure be 600.mmHg,if there is no change in volume or amount of gas?

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 and amount of gas?

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

The pressure increases as the volume increases,if temperature and amount of gas do not change.

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

What is the total pressure (in atm)of a gas mixture,which has CH4 600.torr and He 450.mmHg?

The pressure exerted by a gas on its container is directly proportional to ________.

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Introduction to Organic Chemistry: Hydrocarbons

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A gas sample in a closed,expandable container of initial volume 5.00 L was allowed to warm from 25 °C to 35 °C What was its new volume,assuming the pressure and amount of gas do not change?

A temperature of 273 °C is equivalent to ________ K.

The pressure decreases as the temperature decreases,if volume and amount of gas do not change.

At 0 K,all molecular motion stops.

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

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 and amount of gas?

According to Boyle's Law,when the volume increases,the pressure ________.

The speed of gas molecules is related to the volume of the container.

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

A gas sample containing 12 g of CH4 has a volume of 14 L.What will the volume be if 12 g of He is added? (Temperature and pressure do not change.)

At STP,temperature and pressure have the values of ________.

A temperature of 125 °C is the same as ________.

A gas contained in a steel tank has a pressure of 1.5 atm at a temperature of 320 K.What will be the gas pressure when the temperature changes to 450 K,if the volume and amount of gas do not change?

A gas has a pressure of 700.mmHg when the temperature is 107 °C.At what temperature (°C)will the pressure be 600.mmHg,if there is no change in volume or amount of gas?

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 and amount of gas?

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

The pressure increases as the volume increases,if temperature and amount of gas do not change.

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

What is the total pressure (in atm)of a gas mixture,which has CH4 600.torr and He 450.mmHg?

The pressure exerted by a gas on its container is directly proportional to ________.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

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

Filters

A gas sample containing 12 g of CH₄ has a volume of 14 L.What will the volume be if 12 g of He is added? (Temperature and pressure do not change.)

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