11E Phase Changes

What state of matter is X?

• solid 
• liquid
• gas
• supercritical fluid

What state of matter is Y?

• solid 
• liquid
• gas
• supercritical fluid

What state of matter is Z?

• 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

Water exists as a _____________ at 3 mmHg and 50 °C.

• solid
• liquid
• gas
• supercritical fluid

What would happen if the gaseous substance with a pressure of 10^-3 atmospheres were cooled until a phase change occurred?

• condensation
• vaporization
• sublimation
• deposition

What line segment represents only the solid state?

• A-B
• B-C
• C-D
• D-E