Gas Laws

How do gas molecules move? Select 2

• in a circular motion

• in straight line paths

• in an orderly fashion

• constantly and randomly

Tags

NGSS.MS-PS1-4

Which container will have lower pressure?

• First container

• second container

Tags

NGSS.MS-PS1-4

When _______ is held constant, the pressure and volume of a gas are ________ proportional

• temperature, equally

• temperature, inversely

• mass, equally

• mass, inversely

As temperature rises ___________.

• an atom's kinetic energy decreases and collisions increases

• an atom's kinetic energy increases and collisions increases

• an atom's kinetic energy stays the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

• faster

• slower

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-4

A student measures the pressure and volume of an empty water bottle to be 1.4 atm and 2.3 L. She then decreases the pressure to 0.65 atm. What is the new volume?

• 2.1 L

• 5.0 L

• 8.2 L

• 3.9 L

A student inflates a balloon with helium then places it in the freezer. The student should expect

• the balloon's volume to increase

• the balloon's volume to decrease

• the balloon's moles to increase

• the balloon's moles to decrease

Tags

NGSS.HS-PS3-4

What is the pressure of a car tire that had an initial pressure of 1.8 atm but was heated from 38°C to 123°C?

• 0.9 atm

• 2.1 atm

• 1.6 atm

• 3.4 atm

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

• The pressure will increase due to more collisions on the walls of the container

• The pressure will decrease dues to more collisions on the walls of the container

• The pressure will increase due to more collisions between themselves

• The pressure will decrease due to more collisions between themselves

Tags

NGSS.MS-PS1-4

What is 50 °C in Kelvin?

• 223.15

• 323.15

• 100.15

• 50.15