Lesson 2.2 Test Prep Question Preview (ID: 32871)
KMT And Phase Changes.
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The melting point of water is
a) 0 degrees Celsius
b) 32 degrees Celsius
c) 100 degrees Celsius
d) 212 degrees Celsius
The freezing point of water is ____
a) 0 degrees Celsius
b) 32 degrees Celsius
c) 100 degrees Celsius
d) 212 degrees Celsius
Which of the following is the best explanation of condensation?
a) Condensation occurs when the temperature of a substance drops to 50 degrees Celsius
b) Condensation occurs when the particles slow enough to take a fixed position
c) Condensation occurs when the particles of a substance lose energy and clump together
d) Condensation occurs when the particles gain energy to become a gas
Particles in which phase have the greatest thermal energy?
a) Solid
b) Liquid
c) Gas
d)
The particles in which phase of matter have the least energy?
a) Solid
b) Liquid
c) Gas
d)
During melting, which is true of the spacing of the particles?
a) They move further apart
b) They move closer together
c) They keep the same spacing
d)
During condensation, which is true about the spacing of the particles?
a) They move further apart
b) They move closer together
c) They keep the same spacing
d)
During freezing, which is true about the spacing of the particles?
a) They move further apart
b) They move closer together
c) They keep the same spacing
d)
During evaporation, which is true about the spacing of the particles?
a) They move further apart
b) They move closer together
c) They keep the same spacing
d)
When a gas condenses, the energy of the particles...
a) increases
b) decreases
c) stays the same
d)
When a solid melts, the energy of the particles...
a) increases
b) decreases
c) stays the same
d)
When a liquid evaporates, the energy of the particles...
a) increases
b) decreases
c) stays the same
d)
When a substance freezes, the energy of the particles
a) increases
b) decreases
c) stays the same
d)
When a substance evaporates, the energy of the particles...
a) increases
b) decreases
c) stays the same
d)
When a substance sublimates, the energy of the particles...
a) increases
b) decreases
c) stays the same
d)
Particles slow down and move into fixed positions during which kind of phase change?
a) condensation
b) evaporation
c) freezing
d) melting
During which phase change do the particles gain enough energy to spread out?
a) melting
b) freezing
c) condensation
d) evaporation
Particles overcome attractions and spread apart in which kind of phase change?
a) melting
b) freezing
c) condensation
d) evaporation
What happens to the temperature of a substance as it melts?
a) The temperature increases
b) The temperature decreases
c) The temperature doesn't change
d)
What happens to a substance's temperature as it evaporates?
a) It increases
b) It decreases
c) It doesn't change
d)
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