Honors Chemistry Gas Laws

How do gas molecules move? 

• in an orderly fashion 

• constantly and randomly

• in straight line paths

• in a circular motion

True or False: Gases can be compressed. 

• True

• False

Tags

NGSS.MS-PS3-4

Which gas will diffuse at the slowest speed?

• O₂

• CO₂

• Br₂

• H₂

Tags

NGSS.MS-PS3-4

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

• Some volume and no attraction for each other

• Some volume and some attraction for each other

• No volume and no attraction for each other

• No volume and come attraction for each other

In order to convert to Kelvin, you add ______ to the Celsius measurement.

• 372

• 273

• 237

• 732

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

A sample of gas with a volume of 30.0 mL at 25.0^oC is heated to 50.0^oC.  What is the new volume of the gas?

• 60.0 mL

• 15.0 mL

• 27.5 mL

• 32.5 mL

Which container will have a lower pressure?

• left

• right

• they both have the same pressure

• I don't know

The relationship of which two variables are compared in Boyle's Law?

• pressure & volume

• volume & temperature

• temperature & pressure

• volume & moles (amount of gas)

Boyle's law : When _______ is held constant, the pressure and volume of a gas are ________  proportional

• temperature,  equally

• mass, inversely

• temperature, inversely

• mass, equally