Gas Laws and Properties Review

A quantity of gas has a volume of 250 L, at 290 K and 303.98 kPa of pressure. What volume must the gas be for the gas to be at 273 K and 101.33 kPa?

• 78.4 L

• 88.5 L

• 706 L

• 771 L

Which gases will diffuse faster?

• heavier gases

• lighter gases

Which graph represents the relationship between pressure and temperature?

• direct

• inverse

A gas has a volume of 145 mL and a pressure of 125 kPa. The gas is compressed to a volume of 80.0 mL. What is the new pressure of the gas if temperature is held constant?

• 69 kPa

• 160 kPa

• 93 kPa

• 226 kPa

The amount of force pushing on an area is the definition of....

• Fluid
• Viscosity
• Barometer
• Pressure

Pressure is because of the collisions between the gas particles and the walls of their container.

• true
• false

An increase in temperature does what to diffusion?

• Speeds it up
• Slows it down
• Has no effect
• I wish i knew. Really I do.

STP refers to 

• 100 degrees C and 0 atm
• 0 atm and 273 K
• 0 degrees C and 273 mm Hg
• 273 K and 760 mm Hg

Hydrogen gas has a pressure of 14.2 psi at a temperature of 28 degrees Celsius. If the pressure is increased to 18.4 psi, what will be the new temperature in degrees Celsius? Round answer to one decimal place.

• 156 degrees celsius

• 117 degrees celsius

• 219 degrees celsius

• 395 degrees celsius

The volume of a sample of a gas at 273 ^oC is 200 liters. If the volume is decreased to 100 liters at constant pressure, what will be the new temperature of the gas?

• 0 K
• 546 K
• 273 K
• 100 K