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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 ChoiceThis curve indicates what about the heat energy?heat energy is being added or absorbedheat energy is being removed
- 4. Multiple ChoiceIn which region(s) of the graph does a phase change occur?Region 1, 3, & 5Region 2 & 4Region 1 onlyRegion 1 & 2
- 5. 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
- 6. Multiple ChoiceIn which region(s) of the graph would the substance be a solid only?Region 1Region 2Region 3Region 4
- 7. Multiple ChoiceIn which region(s) of the graph would the substance be a solid and a liquid?Region 1Region 2Region 3Region 4
- 8. Multiple ChoiceIn which region(s) of the graph would the substance be a liquid only?Region 1Region 2Region 3Region 4
- 9. Multiple ChoiceIn which region(s) of the graph would the substance be a liquid and a gas?Region 2Region 3Region 4Region 5
- 10. Multiple ChoiceIn which region(s) of the graph would the substance be a gas only?Region 2Region 3Region 4Region 5
- 11. Multiple ChoiceIn which region(s) of the graph does boiling take place?Region 2Region 3Region 4Region 5
- 12. Multiple ChoiceIn which region(s) of the graph does melting take place?Region 2Region 3Region 4Region 5
- 13. Multiple ChoiceIn which region(s) of the graph would we use a specific heat capacity(cp) to calculate heat energy?Region 1, 3, & 5Region 2 & 4Region 1 onlyRegion 1 & 2
- 14. Multiple ChoiceIn which region(s) of the graph would we use a latent heat to calculate heat energy?Region 1, 3, & 5Region 2 & 4Region 1 onlyRegion 1 & 2
- 15. Multiple ChoiceIn which region of the graph would use the latent heat of vaporization(ΔHvap) to calculate heat energy?Region 2Region 3Region 4Region 5
- 16. Multiple ChoiceIn which region of the graph would use the latent heat of fusion(ΔHfus) to calculate heat energy?Region 2Region 3Region 4Region 5
- 17. Multiple ChoiceIn which region of the graph would use the specific heat of the solid (cp solid) to calculate heat energy?Region 1Region 2Region 3Region 4
- 18. Multiple ChoiceIn which region of the graph would use the specific heat of the liquid (cp liquid) to calculate heat energy?Region 1Region 2Region 3Region 4
- 19. Multiple ChoiceIn which region of the graph would use the specific heat of the gas (cp gas) to calculate heat energy?Region 2Region 3Region 4Region 5
- 20. 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
- 21. Multiple ChoiceDescribe the substance between letters E and F.GasLiquidMeltingEvaporating
- 22. Multiple ChoiceDescribe the substance between letters C and D.GasLiquidMeltingEvaporating
- 23. Multiple Choice
The temperature at which matter beings to turn from a liquid to a gas
boiling point
melting point
phase change
condensation
- 24. Multiple Choice
The temperature at which matter begins to turn from a solid to a liquid
melting point
boiling point
phase change
heat of vaporization
- 25. Multiple Choice
What is true about about the intermolecular forces in solid matter?
they are weak
they are strong
they do not exist
they are so strong molecules can't move
- 26. Multiple Choice
What is holding molecules in a solid close to each other?
Intermolecular forces
Chemical Bonds
Heat
Cold
- 27. Multiple Choice
on a heating curve, when matter is changing phase the temperature of the matter
stays the same
Increases
Decreases
- 28. Multiple Choice
on a heating curve, when matter is NOT changing phase the temperature of the matter
stays the same
Increases
Decreases
- 29. Multiple Choice
What does heat do to intermolecular forces?
strengthens them
Weakens them
reverses them
- 30. Multiple Choice
As matter cools what happens to the intermolecular forces?
they strengthen
they weaken
they reverse
- 31. Multiple Choice
What is true about the kinetic energy in solid matter
it is low
it is high
- 32. Multiple Choice
What is true about the kinetic energy in solid matter
it is low
it is high
- 33. 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
- 34. Multiple Choice
What is true about kinetic energy in a gas
it is high
it is low
- 35. Multiple Choice
As matter changes phase from a liquid to a gas what is true about the temperature?
it is going up
it is staying the same
It is going down
- 36. Multiple Choice
The melting point of the sample is
-60 ºC
-100 ºC
60 ºC
100 ºC
- 37. Multiple Choice
Particles that are not touching and have lots of energy can be found in which state?
Liquid
Gas
Solid
- 38. Multiple Choice
Particles that are touching, but can flow over each other can be found in which state?
Liquid
Gas
Solid
- 39. Multiple Choice
Which sample has hydrogen bonding?
H2S
CH4
NH3
HI
- 40. Multiple Choice
Water has an unusually high boiling point for a molecular compound because it has
hydrogen bonding
ion-ion attractions
a high density
a large gram formula mass
- 41. Multiple ChoiceDoes H2O have hydrogen bonding?yesno
- Answer choicesTagsAnswer choicesTags