Gas Laws Quiz

The more kinetic energy that particles have, the ___ they move.

• slower

• faster

Tags

NGSS.HS-PS3-2

Which of the following temperatures of Nitrogen has the lowest average kinetic energy?

• Nitrogen gas at 15 degrees C.

• Nitrogen gas at 25 degrees C.

• Nitrogen gas at 35 degrees C.

• Nitrogen gas at 5 degrees C.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A gas at a volume of 4 liters has a pressure of 2 atm. The volume is changed to 16 Liters, what must the new pressure be?

• 2 atm

• 12 atm

• 10 atm

• 0.5 atm

V=Volume

P=Pressure

This graph is an example of two variables that are:

• directly proportional

• inversely proportional

• Straight line

• No relation

What is 50 C in Kelvin?

• 223
• 323
• 100
• 50

There are 40 liters of helium in a balloon at 100 K. If the temperature of the balloon is increased to 200 K, what will the new volume of the balloon be?

• 80 L

• 45 L

• 54 L

• 45.33 L

Three gases, Ar, N2 and H2 are mixed in a 500L container. Ar has a pressure of 255 torr, N2 has a pressure of 228torr and H2 has pressure of 752torr. What is the total pressure in the container?

• 483torr

• 270torr

• 1235torr

Gay–Lussac's Law is a direct relationship between temperature and pressure. Assuming a constant volume, when the temperature increases, then the pressure ________.

• Increases

• decreases

• stays the same

Nitrogen in a container is under a pressure of 321 kpa at 853 K.  What will the pressure in the container be if the temperature decreases to 340 K?

• 321 kpa

• 450 K

• 127.95 kpa

• 40.5 kpa

Which of the following are examples of the rules of the Kinetic Molecular Theory?

• Gas Particles are in constant state of motion.

• Gases are mostly empty space with particles colliding elastically.

• When the kinetic energy of a gas increases the temperature will also increase.

• All of the above are examples of postulates.