1. Ch. 13 Clicker Review

7. gas

8. What phase is represented by A?
Solid
Liquid
Gas
Plasma B A D C

9. Which arrow is pointing to the triple point?
red
black
yellow
purple B A D C

10. What phases co-exist where the purple arrow is pointing?
Solid only
Gas and liquid
Solid and gas
Liquid and solid B A D C

11. If the temperature changes from D to C at a constant pressure, how many phases will you encounter?1 2 3 4 B A D C

12. If you go directly from D to B, how many phases will you encounter?1 2 3 4 B A D C

13. Order liquids, solids and gases from higher to lower intermolecular forces.
A. solid, liquid, gas
B gas, liquid, solid
C. solid, gas, liquid
D. gas, solid liquid

14. What is the temperature above which a gas or liquid cannot exist.
A. boiling point
B. melting point
C. triple point
D. critical point

15. What is an allotrope?
A. Two or more different molecular forms of the same element
B. A substance with an ordered internal structure
C. A substance without an ordered internal structure
D. pitch

16. In a sealed container of liquid water, the water will ultimately reach a point where the condensation rate will equal the evaporation rate. This is called
A. intermolecular equality
B. the critical point
C. dynamic equilibrium
D. the triple point

17. Which arrow is pointing to the critical point?
red
blue
yellow
purple B A D C

18. When a solid changes directly to a gas without becoming a liquid first, it is called
A. sublimation
B. deposition
C. precipitation
D. critical point

19. What phases co-exist where the blue arrow is pointing?
gas only
Gas and liquid
Solid and gas
Liquid and solid B A D C

20. When a gas changes directly to a solid without becoming a liquid first, it is called
A. sublimation
B. deposition
C. precipitation
D. critical gas

21. Overcoming intermolecular forces will allow ____ to occur.
A. evaporation
B. boiling
C. melting
D. a, b, and c

22. If the temperature changes from D to C at a constant pressure, how many phases changes will you encounter? 1 2 3 4 B A D C

23. Theoretically, when does all molecular motion stop.
A. 0 K
B. 0 ˚C
C. 273 ˚C
D K

24. What could make a solid become a liquid.
A. decrease in temperature
B. increase in temperature
C. increase in number of moles
D. increase in pressure

25. Order liquids, solids and gases from higher to lower freedom of movement.
A. solid, liquid, gas
B gas, liquid, solid
C. solid, gas, liquid
D. gas, solid liquid

26. The average kinetic energy of the molecules in a substance is the _____ of the substance.
A. allotrope
B. phase
C. pressure
D. temperature

27. What phase is represented by B?
Solid
Liquid
Gas
Plasma B A D C

28. What is an amorphous solid?
A. Two or more different molecular forms of the same element
B. A substance with an ordered internal structure
C. A substance without an ordered internal structure
D. pitch

29. Fusion is to melting as _____ is to evaporation or boiling.
A. condensation
B. deposition
C. precipitation
D. vaporization

30. What phases co-exist where the yellow arrow is pointing?
Liquid only
Gas and liquid
Solid and gas
Liquid and solid B A D C

31. What will cause an increase in vapor pressure?
A. Increasing the temperature of liquid
B. Increasing the number of molecules
C. Increasing the kinetic energy of molecules
D. A and C
E. Increasing the surface area

32. Why does this water boil when the vacuum pump is turned on?
The temperature inside rises
The temperature inside falls
The vapor pressure of the water equals the pressure in the chamber
The vapor pressure of the water is less than the pressure in the chamber

33. Going right to left, what is B?
Condensation
Melting
Freezing
Evaporation

34. What phase(s) is/are at C?
Solid and liquid
Liquid
Gas
Liquid and gas

35. Which is boiling?

36. What phase(s) is/are at B?
Solid and liquid
Liquid
Gas
Liquid and gas

37. Why does the temperature stay the same at B?
The energy is being used to change the phase
The energy is being used to lower the temperature
The energy is being used to raise the temperature
The energy is being used to cause a chemical change

38. What phase is at A?
Solid
Liquid
Gas
Transitional phase

39. What phase(s) is/are at D?
Solid and liquid
Liquid
Gas
Liquid and gas

40. Which is melting?

41. Going right to left, what is D?
Condensation
Boiling
Evaporation
Freezing