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Chapter 11b Ideal Gas Laws PowerPoint Presentation

Chapter 11b Ideal Gas Laws

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Chapter 11b Ideal Gas Laws

When pressure, volume, and temperature are known, the ideal gas law can be used to calculate

- molar amount

Calculate the approximate volume of a 0.600 mol sample of gas at 15.0°C and a pressure of 1.10 atm

- V = nRT
- P
- 0.600mol * 0.0821 (15.0°C +273) = 12.9 L
- 1.10 atm

True or false gas at 15.0°C and a pressure of 1.10

- John Dalton developed the concept that the total pressure of a mixture of gases is the sum of their partial pressures?

True

Who developed the Law that states that equal gas at 15.0°C and a pressure of 1.10 volumes of gas at the same pressure and temp. contain equal numbers of moles.?

Avogadro

If a gas with an odor is released in a room, it quickly can be detected across the room because it

- diffuses

True or false be detected across the room because

- The law of combining volumes applies only to gas volumes measured at constant temperature and pressure.

True

the odor of perfume spreading throughout a be detected across the room because room is an example of

gas diffusion

A 1.00 L sample of a gas has a mass of 1.92 g at STP. What is the molar mass of the gas?

molar mass = grams * RT

PV

1.92g * 0.0821 * (273K) = = 43.0g/mol 1.00 atm* 1.00 L

If two gases are both measured at 725 ˚C and 5.05 is the molar mass of the gas?atm, what volume of N2 (g) can be produced from the decomposition of 37.6 L of NH3 (g)?

37.6 L

Avogadro’s law: equal volumes of gas contain equal numbers of moles at the same pressure and temp.

The principle that under similar pressures and temperatures, equal volumes of gases contain the same number of molecules is attributed to

Avogadro

The End! equal volumes of gases contain the same number of molecules is attributed to

The End!

The End!

The End!

The End!

The End!

The End!

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