Combined and Ideal Gas Laws

Molar volume of any gas at STP

• 22.4 L
• 2.24 L
• 6.02 x 10²³ L
• 224 L

If 1.00 mol of He occupies 22.4 L at STP, what volume will 1.00 g of He occupy under same condition?

• 22.4 L
• 5.60 L
• 10.2 L
• 8.16 L

If 3.25 mol of Ar occupies 100. L at a particular temp and pressure, what volume does 14.15 mol of Ar occupy under same condition?

• 435 L
• 225 L
• 100 L
• 522 L

PV=nRT

• Charles Law
• Boyle's Law
• Combined Gas Law
• Ideal Gas Law

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

What pressure, in atm, is exerted by 2.50 L of gas containing 1.35 mol at 320 K?
PV=nRT

• 14.19 atm
• 16.53 atm
• 18.42 atm
• 22.54 atm

If 15L of neon at 300K and 3 atm is allowed to heat to 350K, what is the new pressure, assuming volume stays constant?

• 3.5 atm
• 2.6 atm
• 16.7 atm
• 0.86 atm

If 10L of O₂ at 273K and 1 atm is compressed to a 7L container at 250K, what is the new pressure?

• 1.31 atm
• 9.16 atm
• 0.76 atm
• 6.0 atm