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- 1. Multiple Choice
In which region(s) does temperature remain constant?Region 1, 3, & 5Region 2 & 4Region 1 onlyRegion 1 & 2 - 2. Multiple ChoiceIn which region(s) does temperature increase?Region 1, 3, & 5Region 2 & 4Region 1 onlyRegion 1 & 2
- 3. Multiple ChoiceIn which region(s) of the graph does a phase change occur?Region 1, 3, & 5Region 2 & 4Region 1 onlyRegion 1 & 2
- 4. Multiple ChoiceIn which region(s) of the graph would the substance only be in one phase?Region 1, 3, & 5Region 2 & 4Region 1 onlyRegion 1 & 2
- 5. Multiple ChoiceDescribe the substance between letters C and D.GasLiquidMeltingEvaporating
- 6. Multiple ChoiceBetween which points is the temperature of the substance remaining constant?A-B only.A-B, C-D, E-FB-C only.B-C, D-E
- 7. Multiple ChoiceBetween which points is the substance changing its state of matter?A-B only.A-B, C-D, E-FB-C only.B-C, D-E
- 8. Multiple Choice
Thermal energy always moves:
From a high temperature object to a lower temperature object.
From a lower temperature object to a higher temperature object.
From an object with lower kinetic energy to an object with higher kinetic energy.
From an object of higher mass to an object of lower mass.
- 9. Multiple Choice
What is holding molecules in a solid close to each other?
Intermolecular forces
Chemical Bonds
Heat
Cold
- 10. Multiple Choice
What does heat do to intermolecular forces?
strengthens them
Weakens them
reverses them
- 11. Multiple Choice
As matter cools what happens to the intermolecular forces?
they strengthen
they weaken
they reverse
- 12. Multiple Choice
What is true about intermolecular forces in gases
they have been broken by heat
They are very strong
They cannot be put back together
they represent a chemical change
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