Question 1

How many moles of gas are in a container that is 2.00 L, at 30 atm and a temperature of 25°C?

Accepted Answer

A) 29.2 moles 
B) 60.0 moles 
C) 2.45 moles 
D) 123.1 moles 
A) 29.2 moles 
B) 60.0 moles 
C) 2.45 moles 
D) 123.1 moles

Question 2

What is the best expression of Dalton's law?

Accepted Answer

A) Ptotal = P1 × P2 × P3 × … 
B) Pof a gas = P1 + P2 + P3 + … 
C) Ptotal = P1 + P2 + P3 + … 
D) Pof a gas = P1 × P2 × P3 × … 
A) Ptotal = P1 × P2 × P3 × … 
B) Pof a gas = P1 + P2 + P3 + … 
C) Ptotal = P1 + P2 + P3 + … 
D) Pof a gas = P1 × P2 × P3 × …

Question 3

A 4 L container of gas at 760 torr is compressed to 2.5 L. What is its new pressure?

Accepted Answer

A) 7,600 torr 
B) 1,216 torr 
C) 0.013 torr 
D) 475 torr 
A) 7,600 torr 
B) 1,216 torr 
C) 0.013 torr 
D) 475 torr

Question 4

Why doesn't density of a gas depend on temperature?

Accepted Answer

A) Because the kinetic-molecular theory states that particles are far apart. 
B) Because the kinetic energy of a gas system doesn't change with temperature. 
C) The density of a gas does depend on temperature. 
D) Because the kinetic-molecular theory states that gas particles are extremely small. 
A) Because the kinetic-molecular theory states that particles are far apart. 
B) Because the kinetic energy of a gas system doesn't change with temperature. 
C) The density of a gas does depend on temperature. 
D) Because the kinetic-molecular theory states that gas particles are extremely small.

How many moles of gas are in a container that is 2.00 L, at 30 atm and a temperature of 25°C?

What is the best expression of Dalton's law?

A 4 L container of gas at 760 torr is compressed to 2.5 L. What is its new pressure?

Why doesn't density of a gas depend on temperature?

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

Bonding and Reactions

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part I

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

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Exam 10: Chemistry of Explosions

How many moles of gas are in a container that is 2.00 L, at 30 atm and a temperature of 25°C?

What is the best expression of Dalton's law?

A 4 L container of gas at 760 torr is compressed to 2.5 L. What is its new pressure?

Why doesn't density of a gas depend on temperature?

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

Bonding and Reactions

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part I

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

Filters