Chapter 11 Review.

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Presentation transcript:

Chapter 11 Review

What is Boyle’s Law?

P1V1=P2V2

If I have a container full of a gas, and I add more gas to the container, what would happen to the pressure of the system?

It would Increase

When the temperature increases under constant volume, the pressure will increase.

Gay-Lussac’s law (the law of temperature and pressure)

If the volume of a container holding a gas is reduced, what will happen to the pressure within the container?

It will Increase

This law relates volume to Kelvin temperature showing a direct relationship

Charles’s Law

What is temperature at STP?

273 K

This law involves only pressure, volume, and temperature.

The combined gas law

What happens to the temperature of a gas when it is compressed assuming pressure stays constant?

The temperature decreases

The Law from which all other gas laws may be derived.

The ideal gas law

When does a gas become less ideal and more real? (2 answers)

Low temperatures and high pressure

A 30g sample of Neon occupies 30. 0 L at a pressure of 100. kPa A 30g sample of Neon occupies 30.0 L at a pressure of 100. kPa. Find the volume of the neon when the pressure is increased to 840. kPa.

3.57 L

A balloon is filled with helium and has a volume of 30 A balloon is filled with helium and has a volume of 30.0 L at a temperature of 298 K. What is the volume of the balloon if the temperature increases to 360K and the pressure remains constant?

36 L

A gas that has a volume of 28 L, a temperature of 318K, and an unknown pressure has its volume increased to 34 L and its temperature decreased to 308K. If I measure the pressure after the change to be 2.0 atm, what was the original pressure of the gas?

2.5 atm

2 Na + 2H2O  2 NaOH + H2 If 3 L of hydrogen are produced at STP in the above reaction, what mass of sodium was used?

6 g Na

What is the pressure in atm of 0 What is the pressure in atm of 0.049 g of hydrogen gas, if at 465K, it has a volume of 4.21L?

0.22 atm

Hydrogen gas is collected over water at 25oC and is found to have a pressure of 142.0 kPa and a volume of 3.45 L. What is the pressure of the dry gas at 50oC and 5.2 L if the vapor pressure of water at 25oC is 16.5 kPa?

90. kPa

Nitrogen gas effuses through an opening 1 Nitrogen gas effuses through an opening 1.59 times faster than does an unknown gas. Calculate the molecular mass of the unknown gas.

71 g/mol