Gas Laws

Which is a quality that only gases display?

• Spread out to fill all available space

• Can be compressed

• Take the shape of their container

• All of these

Boyle's PV law : When _______ is held constant, the pressure and volume of a gas are ________ proportional

• temperature, equally

• temperature, inversely

• mass, equally

• mass, inversely

Charles' Law States...

• As Volume goes up temperature goes up 

• As Pressure goes down volume goes down 

• As Pressure goes up volume goes down

• As Pressure goes up temperature goes up

What does the unit atmosphere, atm, measure?

• Pressure

• Temperature

• Volume

• Moles

What is the Standard for Temperature and Pressure?

• 273 K and 1 atm

• 273 C and 1 kPa

• 273 F and 1 mmHg

• 273 K and 1 Torr

The pressure on a tank containing 0.3 moles of oxygen is 4.5 atm, and the temperature is 150 K. What is the volume of the gas?

(R = 0.0821)

• 0.821 L

• 8.21 L

• 82.1 L

• 821 L

If 22.5 L of nitrogen at 748 mm Hg are compressed to 725 mm Hg at constant temperature, what is the new volume?

• 23.2

• 21.8

• 0.0431

• 0.0459

Calculate the new temperature when 6.00 L at 20.0 °C is compressed to 4.00 L.

• 195

• 0.00512

• 440

• 0.00228

Boyle's Law is the relationship between...

• Volume and Pressure

• Volume and Temperature

• Pressure and Temperature

• Mass and Volume

What are the units of pressure and volume commonly used in Boyle's Law calculations?

• atmospheres (atm) or kilopascals (kPa) for pressure, and liters (L) or milliliters (mL) for volume

• miles per hour (mph) for pressure and gallons (gal) for volume

• pounds per square inch (psi) for pressure and meters (m) for volume

• newtons (N) for pressure and cubic meters (m^3) for volume