What state of matter is X?

• solid 
• liquid
• gas
• supercritical fluid

What state of matter is Y?

• solid 
• liquid
• gas
• supercritical fluid

What change occurs from E to C?

• sublimation
• freezing
• melting
• boiling

What change occurs from C to D?

• condensation
• vaporization
• melting
• sublimation

What is the normal boiling point of this substance?

• 150 °C
• 100 °C
• -50 °C
• 0 °C

What is the normal melting point of this substance?

• 150 °C
• 100 °C
• -50 °C
• 0 °C

At 0.10 atm, what phase(s) can exist?

• solid, liquid or gas
• liquid or gas
• solid only
• gas only

What is the phase change that occurs from E to F?

• sublimation

• deposition

• melting

• freezing

When ice cream is left out in the sun and begins to turn into a liquid, which process is it undergoing?

• Freezing

• Melting

• Vaporization

• Condensation

What is the process called when water vapor in the air turns into liquid water on the outside of a cold beverage can?

• Freezing

• Melting

• Vaporization

• Condensation