Question 1

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

Accepted Answer

A) increases,temperature 
B) increases,quantity of gas 
C) increases,pressure 
D) decreases,temperature 
E) decreases,pressure 
A) increases,temperature 
B) increases,quantity of gas 
C) increases,pressure 
D) decreases,temperature 
E) decreases,pressure D

Question 2

How many moles of neon occupy a volume of 14.3 L at STP?

Accepted Answer

A) 36.7 moles 
B) 32.0 moles 
C) 6.45 moles 
D) 0.638 moles 
E) 1.57 moles 
A) 36.7 moles 
B) 32.0 moles 
C) 6.45 moles 
D) 0.638 moles 
E) 1.57 moles D

Question 3

Gas law calculations require the use of the Kelvin temperature scale.

Accepted Answer

A) True 
 B)False  True

Question 4

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

Accepted Answer

A) 1.50 mmHg 
B) 507 mmHg 
C) 760 mmHg 
D) 1140 mmHg 
E) 3800 mmHg 
A) 1.50 mmHg 
B) 507 mmHg 
C) 760 mmHg 
D) 1140 mmHg 
E) 3800 mmHg

Question 5

The total pressure in a mixture of gases is equal to the partial pressure(s)of ________.

Accepted Answer

A) the gas with the greatest number of moles 
B) the gas with the smallest number of moles 
C) the gas with the highest molecular weight 
D) the gas that occupies the largest volume 
E) all the gases added together 
A) the gas with the greatest number of moles 
B) the gas with the smallest number of moles 
C) the gas with the highest molecular weight 
D) the gas that occupies the largest volume 
E) all the gases added together

Question 6

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

Accepted Answer

A) are very large particles 
B) are very far apart 
C) lose their valence electrons 
D) move slowly 
E) decrease kinetic energy as temperature increases 
A) are very large particles 
B) are very far apart 
C) lose their valence electrons 
D) move slowly 
E) decrease kinetic energy as temperature increases

Question 7

At STP,what is the mass 13.0 L of methane,CH4 ?

Accepted Answer

A) 0.580 g 
B) 16.0 g 
C) 9.31 g 
D) 27.6 g 
E) 22.4 g 
A) 0.580 g 
B) 16.0 g 
C) 9.31 g 
D) 27.6 g 
E) 22.4 g

Question 8

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 9

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

Accepted Answer

A) move rapidly in random directions 
B) are attracted to each other by strong forces 
C) are close together in their container 
D) move with a kinetic energy equal to their centigrade temperature 
E) occasionally come to rest 
A) move rapidly in random directions 
B) are attracted to each other by strong forces 
C) are close together in their container 
D) move with a kinetic energy equal to their centigrade temperature 
E) occasionally come to rest

Question 10

STP stands for 0 °C and 760 mmHg.

Accepted Answer

A) True 
 B)False

Question 11

The volume of 1 mole of any gas at STP is 22.4 L.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following correctly describes the partial pressures of gases in the body?

Accepted Answer

A) high O2  ,low CO2 ,oxygenated blood 
B) high O2 ,low CO2 ,deoxygenated blood 
C) high O2 ,high CO2 ,oxygenated blood 
D) high O2 ,high CO2 ,tissue 
E) low O2 ,low CO2 ,deoxygenated blood 
A) high O2  ,low CO2 ,oxygenated blood 
B) high O2 ,low CO2 ,deoxygenated blood 
C) high O2 ,high CO2 ,oxygenated blood 
D) high O2 ,high CO2 ,tissue 
E) low O2 ,low CO2 ,deoxygenated blood

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

At STP,what is the volume of 1.0 mole of carbon dioxide?

Accepted Answer

A) 1.00 L 
B) 44.0 L 
C) 273 L 
D) 22.4 L 
E) 12.2 L 
A) 1.00 L 
B) 44.0 L 
C) 273 L 
D) 22.4 L 
E) 12.2 L

Question 15

A gas has a volume of 12.0 L when the pressure is 840.torr.When the pressure changes to 600.torr,what is the new volume,if there is no change in temperature or amount of gas?

Accepted Answer

The answer of A gas has a volume of 12.0...

Question 16

What is the volume,in L,of 36.0 g of CH4 at STP?

Accepted Answer

The answer of What is the volume,in L,of 36.0 g...

Question 17

STP is ________ mmHg and ________K.

Accepted Answer

The answer of STP is ________ mmHg and ________K....

Question 18

The pressure unit 1 mmHg is the same pressure unit as the pressure unit ________.

Accepted Answer

The answer of The pressure unit 1 mmHg is the...

Question 19

The air we breathe is about 21% oxygen.

Accepted Answer

A) True 
 B)False

Question 20

During inspiration,we use 100% of the oxygen in the air we breathe.

Accepted Answer

A) True 
 B)False

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

How many moles of neon occupy a volume of 14.3 L at STP?

Gas law calculations require the use of the Kelvin temperature scale.

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

The total pressure in a mixture of gases is equal to the partial pressure(s)of ________.

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

At STP,what is the mass 13.0 L of methane,CH₄ ?

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

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

STP stands for 0 °C and 760 mmHg.

The volume of 1 mole of any gas at STP is 22.4 L.

Which of the following correctly describes the partial pressures of gases in the body?

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

At STP,what is the volume of 1.0 mole of carbon dioxide?

A gas has a volume of 12.0 L when the pressure is 840.torr.When the pressure changes to 600.torr,what is the new volume,if there is no change in temperature or amount of gas?

What is the volume,in L,of 36.0 g of CH4 at STP?

STP is mmHg and K.

The pressure unit 1 mmHg is the same pressure unit as the pressure unit ________.

The air we breathe is about 21% oxygen.

During inspiration,we use 100% of the oxygen in the air we breathe.

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Exam 8: Gases

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

How many moles of neon occupy a volume of 14.3 L at STP?

Gas law calculations require the use of the Kelvin temperature scale.

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

The total pressure in a mixture of gases is equal to the partial pressure(s)of ________.

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

At STP,what is the mass 13.0 L of methane,CH4 ?

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

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

STP stands for 0 °C and 760 mmHg.

The volume of 1 mole of any gas at STP is 22.4 L.

Which of the following correctly describes the partial pressures of gases in the body?

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

At STP,what is the volume of 1.0 mole of carbon dioxide?

A gas has a volume of 12.0 L when the pressure is 840.torr.When the pressure changes to 600.torr,what is the new volume,if there is no change in temperature or amount of gas?

What is the volume,in L,of 36.0 g of CH4 at STP?

STP is ________ mmHg and ________K.

The pressure unit 1 mmHg is the same pressure unit as the pressure unit ________.

The air we breathe is about 21% oxygen.

During inspiration,we use 100% of the oxygen in the air we breathe.

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

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

At STP,what is the mass 13.0 L of methane,CH₄ ?

STP is mmHg and K.