Mixed Gas Law Problems

If a nitrogen gas occupies a volume of 500. ml at a pressure of 0.971atm. What volume will the gas occupy at a pressure of 1.50 atm, assuming the temperature remains constant?  

• 324 ml
• 728 ml
• 772 ml
• None of the above

A sample of a gas has a volume of 852 mL at 298 K. What temperature is necessary for the gas to have a volume of 945 mL?

• 57.5⁰C
• 57.5 K
• 331 K
• 330 ⁰C

Tags

NGSS.HS-PS3-1

Which of the following would increase the (gas) pressure of a system?

• Increase the Temperature
• Pump in more gas
• Decrease the volume
• All of these

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

A 7.00 L sample of argon gas at 420. K exerts a pressure of 625 kPa.  If the gas is compressed to 1.25 L and the temperature is lowered to 350 K, what will be its new pressure in atm?

• 10.4 atm
• 2920 atm
• 2916.7 atm
• 28.8 atm

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 

Determine the number of moles in a container of gas at STP with a volume of 99.2 L. 

• 2222.08 moles
• 4.43 moles
• 22.4 moles 
• 76.8 moles

For his chemistry demonstration, Davy filled up a 5 L balloon with nitrous oxide gas at 25°C and an atmospheric pressure of 1.08 atm. For easier transportation he stored it in a pressurized container at 1.5 atm and temperature of 5°C. What volume will the balloon have?

• 9.77 L
• 3.36 L
• 7.56 L
• 4.35 L

When 0.250 moles of a gas is placed in a container at 25 °C, it exerts a pressure of 700 mm Hg. What is the volume of the container?

• 0.557 Liters
• 6.57 Liters
• 8.74 Liters
• 0.0087 Liters

A 7.50 liter sealed jar at 18 °C contains 0.125 moles of oxygen and 0.125 moles of nitrogen gas. What is the pressure in the container?

• 7.38 atm
• 0.796 atm
• 0.684 atm
• 0.398 atm