Heating/ Cooling Curve

What state(s) of matter are present at D-E?

• Solid-liquid
• Liquid
• Liquid-gas
• Gas-Solid

Tags

NGSS.MS-PS1-4

True or false: melting and freezing occur at the same temperature!

• True
• False
• I don't know

Tags

NGSS.MS-PS1-4

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

• 100 C
• 60 C
• 80 C
• 20 C

Tags

NGSS.MS-PS1-4

The melting point of the sample is

• -60 ºC

• -100 ºC

• 60 ºC

• 100 ºC

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which region(s) does temperature remain constant?

• Region 1, 3, & 5
• Region 2 & 4
• Region 1 only
• Region 1 & 2

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which region(s) does temperature increase?

• Region 1, 3, & 5
• Region 2 & 4
• Region 1 only
• Region 1 & 2

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which region(s) of the graph would the substance be a solid only?

• Region 1
• Region 2
• Region 3
• Region 4

Tags

NGSS.MS-PS1-4

In which region(s) of the graph would the substance be a gas only?

• Region 2
• Region 3
• Region 4
• Region 5

Tags

NGSS.MS-PS1-4

What state of matter/phase change is occurring during line segment D on the graph?

• Gas

• Condensation

• Liquid

• Freezing

• Solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

At what temperature does the substance in the graph condense?

• 140°C

• 100°C

• 40°C

• 0°C

Tags

NGSS.MS-PS1-4