Gas Heat

When the temperature of matter increases the particles...

• speed up and move closer

• speed up and move farther apart

• slow down and move closer together

• slow down and move farther apart

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

With pressure constant, the temperature of a gas is increased from 30^oC to 90^oC.  The volume will _____. (Be sure to convert to Kelvin first.)  

•  increase by about 20%

•  triple

• decrease by 1/2 

• remain the same

A gas of volume V is placed in a balloon. The absolute (Kelvin) temperature is tripled. The volume will be _____ what it was originally. 

• 1/3

• 1/6

• 3 times

• 6 times

Charles's law shows the relationship between which two factors of a gas ?

• volume and temperature 

• volume and pressure 

• pressure and volume

• volume and mass

Tags

NGSS.MS-PS1-4

Temperature describes  the ______________ of particles.

• volume

• mass

• motion

• conductivity

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

• This is an example of Charles's law
• This is an example of Boyle's law

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

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 lower pressure?

• left

• right

• they both have the same pressure

The following graph shows ____ relationship. 

• Direct

• Inverse