Unit 3. Graphs/Diagrams Review

Is this reaction endothermic or exothermmic?

• Exothermic

• Endothermic

Is the reaction endothermic or exothermic?

• Endothermic

• Exothermic

Evaporation is what kind of change?

• Endothermic

• Exothermic

When you freeze water, it turns to ice. What kind of change is this?

• endothermic

• exothermic

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

• 100 °C

• 60 °C

• 80 °C

• 20 °C

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

Tags

NGSS.MS-PS1-4

Between which two points is Heat of Vaporization?

• A <----> B

• B <----> C

• C <----> D

• D <----> E

• E <----> F

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Between which points is the substance changing state?

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

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Between which points is the temperature of the substance increasing?

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

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

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

Tags

NGSS.MS-PS1-4