Creed Mixed Gas Laws

How many moles of gas occupy 98 L at a pressure of 2.8 atmospheres and a temperature of 292 K?

• 11 moles of gas

• 1 moles of gas

• 22 moles of gas

• 30 moles of gas

A balloon is filled with 35.0 L of helium in the morning when the temperature is 20.0 ⁰C. By noon the temperature has risen to 45.0 ⁰C. What is the new volume of the balloon?

• 380 L

• 38.0 L

• 3.0 L

• 8.0 L

A 35 L tank of oxygen is at 315 K with an internal pressure of 190 atmospheres. How many moles of gas does the tank contain?

• 26 moles of gas

• 60 moles of gas

• 20 moles of gas

• 260 moles of gas

There are 135 L of gas in a container at a temperature of 260 ⁰C. If the gas was cooled until the volume decreased to 75 L, what would the temperature of the gas be?

• 26 K

• 96 K

• 496 K

• 296 K

A weather balloon has a volume of 35 L at sea level (1.0 atm). After the balloon is released it rises to where the air pressure is 0.75 atm. What will the new volume of the weather balloon be?

• 7 L

• 47 L

• 87 L

• 11L

The initial volume of a gas at a pressure of 3.2 atm is 2.9 L. What will the volume be if the pressure is increased to 4.0 atm?

• 23 L

• 43 L

• 2.3 L

• 33 L