gas laws

Which of the following temperatures is appropriate to convert 25^oC into the Kelvin scale?

• 373K
• 272K
• 372K
• 273K

Gay-Lussac's law shows the directly proportional relationship between which two variables?

• pressure-temperature
• volume-temperature
• volume-pressure
• temperature-number of moles

Which gas law uses a term defined as one mole of a material with a volume of one liter at STP

• ideal gas law
• combined gas law
• Dalton's law of partial pressure
• none of the above

The following graph shows ____ relationship. 

• Direct
• Inverse

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

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

Three gases, Ar, N₂ and H₂ are mixed in a sealed container. Ar has a pressure of 255 torr, N₂ has a pressure of 228torr and H₂ has pressure of 752torr. What is the total pressure in the container?

• 483torr
• 270torr
• 1235torr

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

• Charles 
• Boyle
• Aglow
• Mazias 

A nitrogen gas has a volume of 600mL at a pressure of 1atm. What volume will the gas occupy at a pressure of 3atm, assuming the temperature remains constant? 

• 125mL
• 300mL
• 200mL
• 400mL