States Of Matter, Heat, Phase Changes Worksheet Page 4
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5For questions 33-40, refer to Figure 5
Fig 5
31. The MELTING POINT of the substance is represented by
A. A to B
C. C to D
B. B to C
D. D to E
32. The BOILING POINT of the substance is represented by ________________.
A. A to B
C. C to D
B. B to C
D. D to E
33. Heat is added between points D and E. The substance is _______________________.
A. sublimating
C. freezing
B. melting
D. boiling
34. Between points B and C, the heat added is being used to____________________.
A. increase temperature.
C. break the bonds of the solid.
B. break the bonds of the liquid.
D. boil the substance.
35. Between points C and D, the substance is _______________.
A. a liquid increasing in temperature.
C. a liquid/gas mixture.
B. a solid/liquid mixture.
D. a solid.
36. If heat is REMOVED from point E and the temperature is not changed, the substance will
________________________.
A. condense
C. melt
B. boil
D. evaporate
37. Average kinetic energy increases at all parts of the graph EXCEPT
A. A to B
C. C to D
B. B to C
D. E to F
38. The part of the graph with the STRONGEST intermolecular forces is ____________.
A. A to B
C. E to F
B. C to D
D. F
TURN THE PAGE.
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