The graph was drawn from data collected as a substance was heated at a constant rate. Use the graph and the words in the word bank to complete the statement. 180 Phase Change Diagram 160 140 120 100 80 60 40 2 4 6 8 10 12 14 16 18 20 22 Time (minutes) At point A, the beginning of observations, the substance exists in a solid state. Material in this phase has , volume and shape. With each passing minute, is added to the substance. This causes the molecules of the solid substance to more rapidly which we detect by a Lin temperature of the substance. At point B, the temperature of the substance is L°C. The solid begins to melted or in a and definite At point C, the substance is completely state. Material in this phase has shape The energy put to the substance between minutes 5 and 9 was used to convert the substance from a to a liquid. This heat energy is called the heat of fusion. Between 9 and 13 minutes, the added energy increases the of the substance. During the time from point D to point E, the liquid is . By point E, the substance is completely in the gas phase. Material in this phase has indefinite volume and The energy put to the substance between minutes 13 and 18 converted the substance from a liquid to a state. This heat energy is called the heat of vaporization. Beyond point E, the substance is still in the gas phase, but the molecules are moving as indicated by the increasing temperature. Liquid Indefinite Solid Volume Definite Faster Shape Vaporizing Melt Rise Vibrate Energy 70 Temperature Gas Temperature (°C)
The graph was drawn from data collected as a substance was heated at a constant rate. Use the graph and the words in the word bank to complete the statement. 180 Phase Change Diagram 160 140 120 100 80 60 40 2 4 6 8 10 12 14 16 18 20 22 Time (minutes) At point A, the beginning of observations, the substance exists in a solid state. Material in this phase has , volume and shape. With each passing minute, is added to the substance. This causes the molecules of the solid substance to more rapidly which we detect by a Lin temperature of the substance. At point B, the temperature of the substance is L°C. The solid begins to melted or in a and definite At point C, the substance is completely state. Material in this phase has shape The energy put to the substance between minutes 5 and 9 was used to convert the substance from a to a liquid. This heat energy is called the heat of fusion. Between 9 and 13 minutes, the added energy increases the of the substance. During the time from point D to point E, the liquid is . By point E, the substance is completely in the gas phase. Material in this phase has indefinite volume and The energy put to the substance between minutes 13 and 18 converted the substance from a liquid to a state. This heat energy is called the heat of vaporization. Beyond point E, the substance is still in the gas phase, but the molecules are moving as indicated by the increasing temperature. Liquid Indefinite Solid Volume Definite Faster Shape Vaporizing Melt Rise Vibrate Energy 70 Temperature Gas Temperature (°C)
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Question
READ THE FOLLOWING PROBLEMS AND PROVIDE WHAT IS ASKED. MAKE SURE YOU DON'T MISS ANYTHING
Transcribed Image Text:The graph was drawn from data collected as a substance was heated at a constant rate.
Use the graph and the words in the word bank to complete the statement.
180
Phase Change Diagram
160
140
120
D
100
80
60
40
A
8 10 12
Time (minutes)
2
4
6
14 16
18
20
22
At point A, the beginning of observations, the substance exists in a solid state. Material
in this phase has
volume and shape. With each passing minute,
is added to the substance. This causes the molecules of the solid
substance to
more rapidly which we detect by a
in
temperature of the substance. At point B, the temperature of the substance is
°C. The solid begins to
At point C, the substance is completely
state. Material in this phase has
. The energy put to the substance between minutes 5
melted or in a
shape
and definite
and 9 was used to convert the substance from a
to a liquid. This heat
energy is called the heat of fusion. Between 9 and 13 minutes, the added energy
increases the
point E, the liquid is.
of the substance. During the time from point D to
_- By point E, the substance is completely in
the gas phase. Material in this phase has indefinite volume and
The energy put to the substance between minutes 13 and
18 converted the substance from a liquid to a
state. This heat energy is
called the heat of vaporization. Beyond point E, the substance is still in the gas phase,
but the molecules are moving
as indicated by the increasing
temperature.
Liquid
Indefinite
Solid
Volume
Definite
Faster
Shape
Vaporizing
Melt
Rise
Vibrate
Energy
70
Temperature
Gas
Temperature (°C)
Transcribed Image Text:Plotting Phase Changes of Water
Objective:
Create a graph showing the phase change of water from a solid to a gas. Do this on a
graphing paper and send the picture of the graph.
1. Using the data below, create a graph. Place temperature on the y axis and time
on the x axis.
Temperature
Time (Minutes)
Temperature
Time (Minutes)
(degrees Celsius)
(degrees Celsius)
-2
32
11
-1
1
45
12
54
13
3
62
14
4
74
15
3
83
16
11
89
17
20
7
94
18
22
8
98
19
24
9
100
20
28
10
100
21
Answer the following questions
2. At what temperature did melting occur?
3. At what temperature did vaporization occur?
4. What causes the phase changes in matter?
5. What phase change would happen if the water vapor (gas) were cooled to 80
degrees?
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