القانون العام للغازات

Select the examples of Brownian motion - select all answers which apply.

• Pollen grains on water

• Donald Trump's hair flapping as he gets off a helicopter

• A crisp wrapper in the breeze

• Smoke particles in air

Explain why gases exert a pressure - select all answers which apply.

• particles collide with other particles and exert a force

• particles collide with the walls of the container and exert a force

• particles exist

• particles move freely

• force over an area exerts a pressure

What are acceptable units of pressure? Select all answers which apply.

• newtons, N

• newton-metre² (Nm²)

• pascal (Pa)

• newton per metre² (N/m²)

A Nitrogen gas released a certain amount of heat under constant pressure with an internal energy of 30 J. Calculate the heat released if 40 J work is done on the system.

• -10 J

• 70 J

• 10 J

• -70 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

Which law?

• Charles 
• Boyle
• Hooke
• Peter Pan 

Tags

NGSS.MS-PS1-4

If a balloon is cooled what will happen to the volume?

• Volume will increase
• Volume will decrease
• Volume will not change

Tags

NGSS.MS-PS1-4

Which container will have a lower pressure?

• left
• right
• they both have the same pressure
• I don't know

Absolute zero is best described as that temperature at which

• water freezes at standard pressure.

• the molecules of a substance have maximum kinetic energy.

• the molecules of a substance have maximum potential energy.

• the molecules of a substance have minimum kinetic energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

What science investigates the fundamental concepts of matter, energy, and space, and the relationships among them.

• Chemistry

• Physics

• Biology

• Earth Science

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

• this is a graph representing Boyle's law
• this is a graph representing Charles's law