KMT and Gases

As Nick inflates a balloon and its volume increases, the pressure inside the balloon will

• decrease.

• remain the same.

• increase.

• I don’t know

Evan is conducting an experiment in her science class. She wants to know which is a measure of the amount of particle collisions against the walls of the container?

• pressure

• temperature

• volume

• density

During a science experiment, Karen observes the behavior of an ideal gas in a sealed container. Which statement must be true of the gas?

• Gas particles are elastic and do not attract each other.

• The kinetic energy of gas is dependent on temperature

• Energy is not lost when gas particles collide with each other or with the walls of the container.

• All of the above

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

Tony and Dominick are conducting an experiment with two containers. Which container will have a lower pressure?

• left

• right

• they both have the same pressure

• I don't know

Which of the following is an assumption of the kinetic-molecular theory of gases?

• Collisions between gas particles are inelastic.

• Gases consist of closely spaced particles.

• Gas particles move around in an orderly manner.

• The temperature of a gas depends on the average kinetic energy of the gas particles.

Tags

NGSS.HS-PS3-2

Which of the following is the equation needed to calculate the kinetic energy, KE, of a moving particle?

• KE = 1/2 mv²

• KE = 2mv

• KE = mv

• KE = 1/2 m²v

Assume each sample of gas molecules has the same average velocity. Which sample of gas has the highest kinetic energy?

• O₂

• H₂O

• H₂

• Xe

Pressure is caused by:

• Gas molecules colliding with surfaces

• Gas molecules reacting with each other

• Gas molecules colliding with each other

• Gravity

Mrs. Wessman is conducting an experiment with a sealed container of gas. Which of the following actions will increase the pressure inside the container?

• Increase the Temperature

• Pump in more gas

• Decrease the volume

• All of these

Which of the following is an assumption of the kinetic-molecular theory of gases?

• Collisions between gas particles are inelastic.

• Gases consist of closely spaced particles.

• Gas particles move around in an orderly manner.

• The temperature of a gas depends on the average kinetic energy of the gas particles.