Between which points is the temperature of the substance remaining constant?

• A-B only. 
• A-B, C-D, E-F
• B-C only. 
• B-C, D-E

Between which two points is Heat of Vaporization?

• A <----> B

• B <----> C

• C <----> D

• D <----> E

• E <----> F

In which segment is the kinetic energy remaining constant?

• A-B
• B-C
• C-D
• E-F

A substance's heating curve is shown in the graph.  What is its boiling point?

• 100 C
• 60 C
• 80 C
• 20 C

What line segment represents only the solid state?

• A-B
• B-C
• C-D
• D-E

Between which points is the temperature of the substance remaining constant?

• A-B only. 
• A-B, C-D, E-F
• B-C only. 
• B-C, D-E

Between which two points is Heat of Fusion?

• A <----> B

• B <----> C

• C <----> D

• D <----> E

• E <----> F

Between which two points is Heat of Vaporization?

• A <----> B

• B <----> C

• C <----> D

• D <----> E

• E <----> F

In which segment is the kinetic energy remaining constant?

• A-B
• B-C
• C-D
• E-F

A substance's heating curve is shown in the graph.  What is its boiling point?

• 100 C
• 60 C
• 80 C
• 20 C