Gas Laws

As temperature increases, volume _____.

• Stays the same
• Fluctuates
• Decreases
• Increases

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

What happens to air pressure as you move upward into the atmosphere?

• increases
• decreases
• stays the same

What would you expect to see if temperature increased if you were using Charles's Law?

• volume would decrease proportionally
• volume would increase proportionally
• pressure would increase proportionally
• pressure would decrease proportionally

Tags

NGSS.HS-PS1-5

What is the correct temperature on the Kelvin scale equal to 30^oC?

• 303K
• 243K
• 313K
• 253K

Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm (make sure you use the correct R value).

• 7.18 L 
• 7.81 L
• 4.63 L
• 4.36 L

You have a gas that has a pressure of 2 ATM and a volume of 10L.  What would be the new volume if the pressure was changed to 1 ATM?

• 5 L
• 20 L
• It would stay at 10L
• 1 L

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

Tags

NGSS.HS-PS1-5

A sample of oxygen gas has a volume of 150.0 mL when its pressure is .947 atm. What will the volume of the gas be if it is lowered to a pressure of 0.658 atm and the temperature remains constant?

• 72 mL
• 144 mL
• 216 mL
• 288 mL

Determine the number of moles in a container of gas at STP with a volume of 99.2 L. 

• 2222.08 moles
• 4.43 moles
• 22.4 moles 
• 76.8 moles