Gas Laws Unit Exam

If 22.5L of nitrogen at 0.98 atm is compressed to 0.95 atm, what is the new volume?

• 23.2L

• 21.8L

• 24.2L

• 20.6L

196L of air at 1.0atm is compressed to 26.0L. What is the new pressure?

• 7.54 atm
• 8.54 atm
• 6.54 atm
• 0.13 atm

If 6L of gas at 293K is compressed to 4L, what is the new temperature? 

• 195K
• 439.5K
• 0.082K
• 12.2K

Tags

NGSS.HS-PS3-4

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

If 10L of O₂ at 273K and 1 atm is compressed to a 7L container at 250K, what is the new pressure?

• 1.31 atm
• 9.16 atm
• 0.76 atm
• 6.0 atm

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. Calculate the new volume of the balloon.

• 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

How many liters of gas are there in 44 g of bromine gas at STP?

• 3.5 L
• 10.54 L
• 12.34 L
• 6.17 L

At standard temperature and pressure, I have 48L of hydrogen gas. How many moles of gas do I have?

• 0.5
• 1
• 2
• 4

If the pressure in a balloon is reduced to 1/5 of the original pressure, the volume will be _____ what it was originally.

• the same as

• 1/5

• 9 times

• 5 times