Phase Changes Answers

0 verified answers3 views
1
Free Preview

The diagrams below represent the four states of matter. Diagram 1 Diagram 2 Diagram 3 Diagram 4Which diagram represents the phase that occurs after a solid melts?

Question illustration
A
diagram 1
B
diagram 2
C
diagram 3
D
diagram 4
2
Free Preview

Consider the temperature versus time graph below.At what temperature is the boiling point of this substance?

Question illustration
A
at 0°C
B
between 0°C and 100°C
C
at 120°C
D
above 120°C
3

Which example involves a phase change in which heat energy is released by the substance?

A
freezing ice cream
B
cooking a pot of soup
C
melting ice under sunlight
D
watching frost disappear into air
4

Which best describes the energy change that takes place during deposition?

A
Heat energy is released by the substance.
B
Heat energy is maintained by the substance.
C
Heat energy is slowly gained by the substance.
D
Heat energy is quickly absorbed by the substance.
5

The diagram below shows the different phase transitions that occur in matter. Which arrow would most likely represent the phase change that occurs when silver is poured into a mold and cools to become a solid bar?

Question illustration
A
1
B
3
C
4
D
5
6

In which phase transition do molecules move directly from a state involving vibration of particles in a fixed position to a state involving random movement of high-speed particles?

A
evaporation
B
sublimation
C
freezing
D
deposition
7

is initially present in a state where its molecules are far apart. During a change of state, its molecules slow down. Which change of state has most likely taken place?

Question illustration
A
from a gas to a liquid
B
from a liquid to a gas
C
from a solid to a liquid
D
from a gas to a plasma
8

The arrows in the chart below represent phase transitions.Which arrows represent the phase transitions in which heat energy is gained?

Question illustration
A
1, 2, and 3
B
2, 3, and 5
C
3, 4, and 5
D
4, 5, and 6
9

The diagram below shows the different phase transitions that occur in matter. Which arrow would most likely represent the phase change that involves the same amount of energy as arrow 1?

Question illustration
A
2
B
3
C
4
D
5
10

Consider the heating curve for water.At what temperature does the solid start melting?

Question illustration
A
–20°C
B
0°C
C
20°C
D
80°C

Did you find these answers helpful?