1.10 Ideal Gas Law

If the pressure exerted by a gas at a temperature of 298 K in a volume of 0.044 L is 3.81 atm, how many moles of gas are present? pV=nRT

• .002766 mole

• .0069 mol

• 2.766 mol

• 9.887 mol

Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm. pV=nRT

• 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. pV=nRT

• 0 K

• 107 K

• 207 K

• 307 K