B.3 Ideal Gas Laws

What is the unit of pressure?

• Meters per second

• Kilograms per square meter

• Newtons per metre squared

• Pounds per square inch

What is Avogadro's constant?

• The volume of an ideal gas at constant pressure

• The temperature at which a gas becomes ideal

• The force applied per unit area

• The number of particles in one mole of a substance

Under what conditions does an ideal gas model approximate a real gas?

• High pressure, low density, high temperature

• Low pressure, high density, high temperature

• Low pressure, low density, high temperature

• High pressure, high density, low temperature

What is the ideal gas law equation used to describe?

• The relationship between temperature and volume

• The relationship between pressure and volume

• The relationship between pressure and density

• The relationship between temperature, pressure, and volume

What is the internal energy of an ideal gas due to?

• The number of moles of the gas

• The kinetic energy of its particles

• The intermolecular forces between particles

• The absolute temperature of the gas

What causes gas pressure in an ideal gas?

• The gravitational force on the gas particles

• The intermolecular forces between particles

• The change in volume during a collision

• The collisions between particles and the walls of their container

What does the pressure of a gas depend on?

• The temperature and volume of the gas

• The density of the particles and their average velocity

• The number of moles and the absolute temperature of the gas

• The mass and volume of the gas

What is the pressure of a fixed mass of an ideal gas at constant temperature inversely proportional to?

• Its absolute temperature

• The number of moles

• Its volume

• Its density

What is the volume of a fixed mass of an ideal gas at constant pressure directly proportional to?

• The density of the particles

• The pressure

• The number of moles

• Its absolute temperature

What is the pressure of a fixed mass of an ideal gas of constant volume directly proportional to?

• The volume

• The number of moles

• The density of the particles

• The absolute temperature