Ideal Gas Law

If the pressure exerted by a gas at 25 degrees C in a volume of 0.044 L is 3.81 atm, how many moles of gas are present?

• .002766 mole
• .0069 mol
• 2.766 mol
• 9.887 mol

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 
• 310 K 

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

PV=nRT

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

A sample of an ideal gas containing 0.954 mol is collected at 742 mmHg pressure and 31°C. Calculate the volume. 

• 22.4 L
• 24.4 L
• 0.224 L
• 0.222 L