States of Matter & KMT

Which of the following is true about atmospheric pressure?

• It varies widely, depending on the weather.

• It is measured with an anemometer.

• It affects the boiling point of a liquid.

• It increases with altitude.

Tags

NGSS.MS-ESS2-5

Compared with gases, liquids

• have a stronger attractive forces.

• have more space between their particles.

• are more easily compressed.

• are much less dense.

As you climb a mountain, atmospheric pressure

• increases and boiling point decreases.

• decreases and boiling point increases.

• increases and boiling point increases.

• decreases and boiling point decreases.

Evaporation is a type of

• boiling

• vaporization

• melting

• condensation

Tags

NGSS.MS-PS1-4

The conditions at which the solid, liquid, and gaseous phases of a substance can exist in equilibrium with one another is called?

• sublimation point

• freezing point

• condensation point

• triple point

Under what conditions is a real gas most likely to behave like an ideal gas?

• low temperature and high pressure

• high temperature and low pressure

• low temperature and low pressure

• high temperature and high pressure

Describe the particle arrangement, motion, and attractive forces of solids.

• Particles are closely packed, vibrate in place, and have strong attractive forces.

• Particles are far apart, move freely, and have weak attractive forces.

• Particles are moderately spaced, slide past each other, and have moderate attractive forces.

• Particles are randomly arranged, move rapidly, and have no attractive forces.

Which correctly compares boiling to evaporation.

• Boiling occurs at the surface; evaporation occurs throughout the liquid.

• Boiling occurs throughout the liquid; evaporation occurs at the surface.

• Boiling and evaporation both occur at the surface.

• Boiling and evaporation both occur throughout the liquid.

Tags

NGSS.MS-PS1-4

What is the temperature, at 72.9 atm pressure, at which this substance melts?

• -78.4°C

• -56.6°C

• 25.0°C

• 31.1°C

Tags

NGSS.MS-PS1-4

What processes take place at 1 atm and -78.4°C?

• Melting

• Sublimation

• Condensation

• Boiling

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4