Gases Review

At a constant pressure, the volume decreases.  What happens to the temperature?

• increases
• decreases
• stays the same

At a constant volume, the pressure increases.  What happens to the temperature?

• increases
• decreases
• stays the same

At a constant temperature, the volume decreases.  What happens to the pressure?

• increases
• decreases
• stays the same

At a constant temperature, pressure increases.  What happens to the volume?

• increases
• decreases
• stays the same

At a constant pressure, the volume decreases.  What happens to the temperature?

• increases
• decreases
• stays the same

The temperature at which a solid begins to liquefy is its ______ point.

• freezing

• boiling

• melting

• mass

Why can people on one side of a room smell the scent of an air freshener sprayed on the opposite side of the room?

• The molecules of air freshener have thermally expanded

• The air pressure where the freshener was sprayed is greater than in the rest of the room

• The molecules of air freshener spread out until they are evenly distributed throughout the room

• The molecules of air freshener are amorphous

When a gas becomes a liquid it is called

• condensation

• evaporation

• sublimation

• freezing

Gases __________.

• have a fixed shape
• are easily compressed
• have particles that do not flow easily
• have a definite volume

When the temperature of matter increases the particles...

• speed up and move closer
• speed up and move farther apart
• slow down and move closer together
• slow down and move farther apart