Gas Laws Review

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

In order to convert to Kelvin, you _________ to the Celsius measurement.

• add 372

• add 273

• subtract 273

• subtract 372

What is 50 °C in Kelvin?

• 223
• 323
• 100
• 50

What is the device that measures atmospheric pressure?

• Aerometer
• Annemeter
• Barometer
• Humidity Detector

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.HS-PS1-5

How do gas molecules move? 

• in an orderly fashion 
• constantly and randomly
• in straight line paths
• in a circular motion

Tags

NGSS.HS-PS3-2

What causes pressure?

• The walls of the container
• The vacuum in the container
• The collisions of the particles
• Atmospheric pressure acting on the outside walls

A gas is at a pressure of 95 kPa. What is its pressure in atmospheres?

• 1.5 atm

• 1.09 atm

• 0.94 atm

• 0.82 atm

What does STP (standard temperature and pressure) stand for?

• 0℃ and 1 atm

• 1.0 mmHg and 273 Kelvin

• 1.0℃ and 0 atm

• 1.0 atm and 273℃

How many mm Hg is a pressure of 1.05 atm?

• 529 mm Hg

• 798 mm Hg

• 104.8 mm Hg

• 760 mm Hg