Unit 3 - Test - Gasses

Gases have...

• A definite shape and volume
• A definite shape but no definite volume
• No definite shape but a definite volume
• No definite shape or volume

What is the variable for this number 22.4 L

• P
• T
• n
• V

What is the variable for this number 1.5 mol

• P
• T
• n
• 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.

• 7.18 L 
• 7.81 L
• 4.63 L
• 4.36 L

Determine the Kelvin temperature required for 0.0470 mol of gas to fill a balloon to 1.20 L under .998 atm pressure. 

• 0 K 
• 107 K 
• 207 K 
• 307 K 

What does R stand for

• Ideal gas constant

• Real gas constant

• Temperature constant

• Ideal gas law

Which is a correct unit for R?

• L.atm/mol.k

• L.atm

• mmHg/mol.K

• L.atom/mol

Charles' Law States...

• As Pressure goes up volume goes down
• As Pressure goes up temperature goes up
• As Volume goes up temperature goes up 
• As Pressure goes down volume goes down 

Whose law states that as pressure goes up, volume goes down?

• Charles 
• Boyle
• Aglow
• Mazias 

Directly proportional means that as one value increases ....................

• the other stays the same 
• the other increases as well
• the other decereases
• the other goes to zero