Chemistry Review Gas Law problems

A balloon is filled with 35.0 L of helium in the morning when the temperature is 20.0 degrees Celsius. By noon the temperature has risen an additional 25 degrees. What is the new volume of the balloon?

• 38L

• 79L

• 44L

• 36L

6.0 L of gas in a piston at a pressure of 1.0 atm are compressed until the volume is 3.5 L. What is the new pressure inside the piston?

• 1.7 atm

• 0.6 atm

• 21 atm

• 1 atm

A gas container is initially at 47 mmHg and 77 K. What will the pressure be when the container warms up to standard temperature?

• 181 mmHg

• 15 mmHg

• 121 mmHg

• 14 mmHg

If a gas is cooled from 323.0 K to 273.15 K and volume is kept constant, what final pressure would result if the original pressure was 750.0 mmHg?

• 634 mmHg

• 887 mmHg

• 887 atm

• 634 atm

When the temperature is constant (k) inside a balloon, if you add pressure on it, the volume will ..... 

• Decrease
• Increase
• Not Change at all
• Particles will solidify 

Neon occupies a volume of 2.80 L at -35°C. What volume will it occupy at 43°C?

• 3.44 L
• 4.1 L
• 2.65 L
• 3.7 L

A sample of gas measures 4.22 L at 120°C at 900 mmHg. What volume would it occupy at STP?

• 2.48 L
• 3.47 L
• 5.13 L
• 7.19 L

Boyle's law :  The pressure and volume of a gas show a _____ relationship. 

• Inverse 
• Direct 

What is the pressure of a car tire that had an initial pressure of 1.8 atm but was heated from 38°C to 123°C?

• 0.9 atm

• 2.1 atm

• 1.6 atm

• 3.4 atm