Unit 12 Gases

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

• 372
• 273
• 237
• 732

What is 50 C in Kelvin?

• 223
• 323
• 100
• 50

100 degrees Celsius is equal to _______ Kelvin. 

• 0 K
• 273 K
• 173 K
• 373 K

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

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

Tags

NGSS.HS-PS3-4

Which of the following would increase the (gas) pressure of a system?

• Increase the Temperature
• Pump in more gas
• Decrease the volume
• All of these

The following graph shows ____ relationship.

• Direct

• Inverse

Tags

NGSS.HS-PS1-5

Boyle's law :  The pressure and volume of a gas show a _____ relationship. 

• Inverse 
• Direct 

In the ideal gas law, which variable represents the gas constant?

• n
• R
• T
• V

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