Ideal Gas Law practice #1

How many moles of gas does it take to occupy 120 liters at a pressure of 2.3 atmospheres and a temperature of 340K?

• 2.45 moles

• 9.89 moles

• 3.41 moles

• .65 moles

If I have a 50 liter container that holds 45 moles of a gas at a temperature of 200 degrees Celsius, what is the pressure inside the container?

• 34.9 atm

• 14.8 atm

• 3540 atm

• 1497 atm

If I have a 1.0 L canister that holds 2 moles of oxygen at a temperature of 1400 ⁰C, what is the pressure inside the canister?

• 229.9 atm

• 27, 818.6 atm

• 274.5 atm

• 515.8 atm

How many moles of gas are in a 30 L scuba canister if the temperature of the canister is 300 K and the pressure is 200 atm?

• 243.7 moles

• 2.41 moles

• 313.7 moles

• 125.6 moles

I have a balloon that can hold 100 liters of air. If I blow up the balloon with 3 moles of oxygen gas at a pressure of 1 atm, what is the temperature of the balloon in Celsius?

• 65.7 ⁰C

• 4.01 ⁰C

• 133.2 ⁰C

• 406.2 ⁰C

At what temperature will 5.00 g of Cl₂ exert a pressure of 900 mmHg a a volume of .750 liters?

• 152.4 K

• 2.16 K

• 114, 406 K

• 66.7 K

How many moles of air are in a 6.06-L tire at STP?

• 0.271 moles

• 0.750 moles

• 5.00 moles

• 2.40 moles

How mass of helium is in a 2.00-L balloon at STP?

• 0.089 g He

• 0.357 g He

• .534 g He

• 5.67 g He