Charles Law

Gas Law #2

​

​Charles'
Law

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Multiple Choice

What is 50 C in Kelvin?

• 223
• 323
• 100
• 50

Multiple Choice

In order to solve gas law calculations, temperature must be measured in:

• Fahrenheit
• Celsius
• Kelvin
• It doesn't matter 

Multiple Choice

What type of relationship is Charles' Law?

• Inverse
• Direct
• Not enough information
• #goals

Multiple Choice

At a constant pressure, the volume decreases in Charles' Law. What happens to the temperature?

• increases

• decreases

• stays the same

Multiple Choice

How do you convert Celsius to Kelvin?

• Add 273
• Subtract 273
• You can't convert those
• They are the same thing

Multiple Choice

A gas at STP would be under the following conditions:

• T = 25 C

  P = 1 atm

• T = 0 C

  P = 0 atm

• T = 0 C

  P = 1 atm

• T = 0 C

  P = 2 atm

Multiple Choice

What would you expect to see if temperature increased if you were using Charles's Law?

• volume would decrease proportionally

• volume would increase proportionally

• pressure would increase proportionally

• pressure would decrease proportionally

Multiple Choice

If temperature increases and the pressure is constant, the volume ___________

• Increases
• Decreases
• Stays the same
• Is variable

Multiple Choice

What is the equation for Charles' Law?

• P₁V₁=P₂V₂
• V₁/T₁=V₂/T₂
• V₁/n₁=V₂/n₂
• P₁/T₁=P₂/T₂

Multiple Choice

Which of the following IS NOT a unit of volume?

• mL

• mmHg

• L

• cm³

Multiple Choice

A directly proportional relationship example can be-

• Boyle's Law

• Charles' Law

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Multiple Choice

10. A 500L container filled with a gas. This gas heated from 200K to 400K. If the pressure remains constant, what is the new volume of the container?

• 250 L

• 1000 L

• 500 L

• 2000 L

Multiple Choice

The pressure of a sample of dry air is held constant 2.25 atm while the temperature is decreased from 100. ^oC to 7.0 ^oC. The original volume of the sample is 43 L. Which of the following is closest to the final volume of the sample?

• 3.0 L
• 32 L
• 57 L
• 610 L

Multiple Choice

The volume of gas in a balloon is 1.90 L at  21.0 ^oC. The balloon is heated, causing it to expand to a volume of 5.70 L. What is the new temperature of the gas inside the balloon?

• 7.00 C
• 63.0 C
• 120. C
• 609. C

Multiple Choice

A sample of oxygen gas in a closed system has a volume of 200 milliliters at 600 K. If the pressure is held constant and the temperature is lowered to 300 K, the new volume of the gas will be -

• 400 milliliters.
• 300 milliliters.
• 100 milliliters.
• 200 milliliters.