Combined Gas Law

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If I initially have 4.0 L of a gas at a pressure of 1.1 atm, what will the volume be if I increase the pressure to 3.4 atm?

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1.29 L

12.36 L

1.29 atm

12.36 atm

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If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L, what will the new pressure inside the piston be?

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1.8 atm

3.27 atm

1.8 L

3.27 atm

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I’ve got a car with an internal volume of 12,000 L. If I drive my car into the river and it implodes, what will be the volume of the gas when the pressure goes from 1.0 atm to 1.4 atm?

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8571.43 L

3210.26 L

8669.0 atm

3905.33 atm

Dropdown

A sample of nitrogen occupies a volume of 250 mL at 25^oC. What volume will it occupy at 95^oC?

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Dropdown

Oxygen gas is at a temperature of 40^oC when it occupies a volume of 2.3 liters. To what temperature should it be raised to occupy a volume of 6.5 liters?

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Multiple Choice

Hydrogen gas was cooled from 150^oC to 50^oC. Its new volume is 75 mL. What was its original volume?

• 98 mL

• 98 K

• 98^oC

• 98 L

Multiple Choice

A rigid plastic container holds 1.00 L methane gas at 0.9 atm pressure when the temperature is 22.0°C. How much more pressure will the gas exert if the temperature is raised to 44.6°C?

• 0.97 atm

• 1.82 atm

• 0.97^oC

• 1.82^oC

Multiple Choice

If a gas sample has a pressure of 30.7 kPa at 0.00°C, by how much does the temperature have to decrease to lower the pressure to 28.4 kPa?

• 33.89 ^oC

• -20.46 ^oC

• 597 ^oC

• -4.25 ^oC

Multiple Choice

How do you convert Kelvin to Celsius?

• Add 273

• Subtract 273

• You can't convert those

• They are the same thing

Multiple Choice

Gas laws involve what three variables?

• Solid Liquid Gas 
• Speed Velocity Acceleration 
• Elements Compounds Mixtures 
• Pressure Temperature Volume 

Multiple Choice

All of the following are temperature units except ______

• atm

• Kelvin

• Celsius

• Farenheit

Multiple Choice

Which answer shows the correct Combined Gas Law

Multiple Choice

What is 50 C in Kelvin?

• 223
• 323
• 100
• 50

Multiple Choice

What is STP?

• 1 Degrees Celsius and 0 ATM

• 0 Degrees Celsius and 1 ATM

• 0 Kevin and 10 ATM

• 273 Celsius and 273 ATM

Multiple Choice

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

Multiple Choice

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

Multiple Choice

When the temperature of a gas increases the pressure would...

• decrease

• increase

• stay the same

Multiple Select

Does the air pressure increase or decrease at higher altitudes?

• increase

• decrease

Multiple Choice

Give the value for standard temperature.

• 298 K

• 273 K

• 0 K

• 273 ^oC

Multiple Choice

Increase P = ________ V

• increase

• decrease

• remain the same