Temperature Curves

What is the melting point of of the substance based on the temperature curve?

• 100^oC

• 25^oC

• 0^oC

• 55^oC

In which region(s) of the graph would the substance be a liquid and a gas at the same time?

• Region A

• Region B

• Region C

• Region D

• Region E

Which region of the graph represents molar fusion?

• Region A

• Region B

• Region C

• Region D

• Region E

In which region(s) does temperature remain constant?

• Region A, C, & E

• Region B & D

• Region A only

• Region A & B

Given the heating curve of a solid being heated at a constant rate, how much time did it take to boil the sample completely?

• 3 minutes

• 4 minutes

• 10 minutes

• 14 minutes

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4

Given the heating curve of a solid being heated at a constant rate, what is the boiling point of this substance?

• 20°C

• 50°C

• 110°C

• 170°C

Tags

NGSS.HS-PS3-4

The melting point of the sample is

• -60 ºC

• -100 ºC

• 60 ºC

• 100 ºC

Tags

NGSS.MS-PS1-4

Which letter indicates where water is in both the solid and liquid phase at the same time?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-4

In which region(s) does temperature increase?

• Region C only

• Regions B and D

• Regions A, C, and E

• Regions A and B

Describe what segment A represents.

• Solid

• Liquid

• Melting

• Evaporating

Tags

NGSS.MS-PS1-4