Question 1

A sample of argon at 300.°C and 50.0 atm pressure is cooled in the same container to a temperature of   What is the new pressure?

Accepted Answer

A) 105 atm 
B) 45.5 atm 
C) 54.9 atm 
D) 23.8 atm 
E) 42.7 atm 
A) 105 atm 
B) 45.5 atm 
C) 54.9 atm 
D) 23.8 atm 
E) 42.7 atm

Question 2

A gas has a volume of 36.0 L and a pressure of 750.torr when the temperature is 10.°C.What is the pressure if the volume changes to 15.0 L and the temperature changes to 78 °C,if the amount of gas stays the same?

Accepted Answer

The answer of A gas has a volume of 36.0...

Question 3

In deoxygenated blood,the partial pressure of carbon dioxide is greater than the partial pressure of oxygen left.

Accepted Answer

A) True 
 B)False

Question 4

A sample of nitrogen gas had a volume of 500.mL,a pressure in its closed container of 740 torr,and a temperature of 25 °C.What was the new volume of the gas when the temperature was changed to 50 °C and the new pressure was 760 torr?

Accepted Answer

A) 530 mL 
B) 450 mL 
C) 970 mL 
D) 240 mL 
E) 400 mL 
A) 530 mL 
B) 450 mL 
C) 970 mL 
D) 240 mL 
E) 400 mL

Question 5

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

Accepted Answer

A) A gas is composed of very small particles. 
B) There is very little empty space in a gas. 
C) Gas particles move rapidly. 
D) Gas particles do not attract or repel one another. 
E) Gas particles move faster when the temperature increases. 
A) A gas is composed of very small particles. 
B) There is very little empty space in a gas. 
C) Gas particles move rapidly. 
D) Gas particles do not attract or repel one another. 
E) Gas particles move faster when the temperature increases.

Question 6

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?

Accepted Answer

A) 800.torr 
B) 2280 torr 
C) 15.0 torr 
D) 3800 torr 
E) 1270 torr 
A) 800.torr 
B) 2280 torr 
C) 15.0 torr 
D) 3800 torr 
E) 1270 torr

Question 7

STP stands for 0 °C and 760 mmHg.

Accepted Answer

A) True 
 B)False

Question 8

1 mole of a gas occupies 22.4 L at ________.

Accepted Answer

A) 0 °C and 0.50 atm 
B) 0 °C and 760 mmHg 
C) 100 °C and 1 atm 
D) 100 °C and 10 atm 
E) 0 K and 1 atm 
A) 0 °C and 0.50 atm 
B) 0 °C and 760 mmHg 
C) 100 °C and 1 atm 
D) 100 °C and 10 atm 
E) 0 K and 1 atm

Question 9

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?

Accepted Answer

A) 1.2 atm 
B) 0.30 atm 
C) 3.3 atm 
D) 4.8 atm 
E) 1.0 atm 
A) 1.2 atm 
B) 0.30 atm 
C) 3.3 atm 
D) 4.8 atm 
E) 1.0 atm

Question 10

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.

Accepted Answer

A) A 
B) B 
C) C 
D) A and B 
E) B and C 
A) A 
B) B 
C) C 
D) A and B 
E) B and C

Question 11

In Gay-Lussac's law,the pressure of a gas increases due to an increase in temperature because ________.

Accepted Answer

A) the molecules strike the walls of the container less often 
B) the molecules strike the walls of the container more often 
C) the molecules get bigger 
D) there is a decrease in the volume of the container 
E) there is an increase in the number of gas particles 
A) the molecules strike the walls of the container less often 
B) the molecules strike the walls of the container more often 
C) the molecules get bigger 
D) there is a decrease in the volume of the container 
E) there is an increase in the number of gas particles

Question 12

A barometer is usually filled with ________.

Accepted Answer

The answer of A barometer is usually filled with ________....

Question 13

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

Accepted Answer

A sample of argon at 300.°C and 50.0 atm pressure is cooled in the same container to a temperature of What is the new pressure?

A gas has a volume of 36.0 L and a pressure of 750.torr when the temperature is 10.°C.What is the pressure if the volume changes to 15.0 L and the temperature changes to 78 °C,if the amount of gas stays the same?

In deoxygenated blood,the partial pressure of carbon dioxide is greater than the partial pressure of oxygen left.

A sample of nitrogen gas had a volume of 500.mL,a pressure in its closed container of 740 torr,and a temperature of 25 °C.What was the new volume of the gas when the temperature was changed to 50 °C and the new pressure was 760 torr?

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

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?

STP stands for 0 °C and 760 mmHg.

1 mole of a gas occupies 22.4 L at ________.

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?

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.

In Gay-Lussac's law,the pressure of a gas increases due to an increase in temperature because ________.

A barometer is usually filled with ________.

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

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Exam 8: Gases

A sample of argon at 300.°C and 50.0 atm pressure is cooled in the same container to a temperature of What is the new pressure?

A gas has a volume of 36.0 L and a pressure of 750.torr when the temperature is 10.°C.What is the pressure if the volume changes to 15.0 L and the temperature changes to 78 °C,if the amount of gas stays the same?

In deoxygenated blood,the partial pressure of carbon dioxide is greater than the partial pressure of oxygen left.

A sample of nitrogen gas had a volume of 500.mL,a pressure in its closed container of 740 torr,and a temperature of 25 °C.What was the new volume of the gas when the temperature was changed to 50 °C and the new pressure was 760 torr?

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

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?

STP stands for 0 °C and 760 mmHg.

1 mole of a gas occupies 22.4 L at ________.

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?

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.

In Gay-Lussac's law,the pressure of a gas increases due to an increase in temperature because ________.

A barometer is usually filled with ________.

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

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

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