Combined Gas Law

A gas is heated from 263K to 298K. The volume is increased from 24.0L to 35.0L. If the original pressure was 1.00 atm, what is the new pressure?

• 0.78 atm
• 1.65 atm
• 1.28 atm
• 0.61 atm

Tags

NGSS.HS-PS1-5

What is the combined gas law equation?

• P1V1/T1=P2V2/T2
• P1V1=P2V2
• V1T1/V2T2
• PV=nRT

A gas at 98 kpa, and 29 C occupies a volume of 569 L. Calculate the volume at 39 kpa and -12 C.

• 1350.00 L

• 1235.68 L

• 1400.10 L

• 592 L

A gas at 928 kpa, 129 C occupies a volume of 569 L. Calculate the volume at 319 kpa and 32 C.

• 1256 L

• 418.18 L

• 1100 L

• 1400 L

A helium balloon with a volume of 1.8L at 1.0 atm and 293K is released into the air. As it rises, the pressure drops to 0.7atm and the temperature drops to 263K

• 2.31 L
• 0.43 L
• 1.50 L
• 2.57 L

A weather balloon has a volume of 105L at 0.97 atm when the temperature is 318K. What is the volume at 293K and 1.05 atm?

• 89.4 L
• 0.32 L
• 93.8 L
• 3.13 L

Which of the following would increase the pressure on a system?

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

Which gas law would best be used when there are no variables being held constant?

• Boyle's Law
• Charles's Law
• Ideal Gas Law
• Combined Gas Law

True or False? Combined gas law is given it's name because it is a combination of several laws.

• True
• False

• this is a graph representing Boyle's law
• this is a graph representing Charles's law