Ideal vs Real Gases

Under which conditions of temperature and pressure does carbon dioxide behave most like an ideal gas?

• A) Low temperature and low pressure

• B) Low temperature and high pressure

• C) High temperature and low pressure

• D) High temperature and high pressure

Under which conditions of temperature and pressure does a sample of neon behave most like an ideal gas?

• A) 100K and 0.25 atm

• B) 100K and 25 atm

• C) 400K and 0.25 atm

• D) 400K and 25 atm

A real gas differs from an ideal gas because the molecules of a real gas have

• A) Some volume and no attraction for each other

• B) Some volume and some attraction for each other

• C) No volume and no attraction for each other

• D) No volume and come attraction for each other

Tags

NGSS.HS-PS1-3

Under the same conditions of temperature and pressure, which of the following gases would behave most like an ideal gas?

• a

• b

• c

• d

One reason that a real gas deviates from an ideal gas is that the molecules of a real gas have

• A) a straight-line motion

• B) no net loss of energy on collision

• C) a negligible volume

• D) forces of attraction for each other

Which statement describes the particles of an ideal gas based on the kinetic molecular theory?

• A) The gas particles are relatively far apart and have negligible volume.

• B) The gas particles are in constant, nonlinear motion.

• C) The gas particles have attractive forces between them.

• D) The gas particles have collisions without transferring energy.

According to the kinetic molecular theory, the molecules of an ideal gas

• A) have a strong attraction for each other

• B) have significant volume

• C) move in random, constant, straight-line motion

• D) are closely packed in a regular repeating pattern

Tags

NGSS.HS-PS3-2

According to kinetic molecular theory, collisions between gas particles in a sample of an ideal gas

• A) increase the energy content of the gas sample

• B) produce strong attractive forces between the gas particles

• C) result in a net loss of energy by the gas sample

• D) transfer energy between the gas particles

Tags

NGSS.HS-PS3-2

The concept of an ideal gas is used to explain

• A) the mass of a gas sample

• B) the behavior of a gas sample

• C) why some gases are monatomic

• D) why some gases are diatomic

A real gas behaves least like an ideal gas under the conditions of

• A) low temperature and low pressure

• B) low temperature and high pressure

• C) high temperature and low pressure

• D) high temperature and high pressure