The graph was drawn from data collected as a substance was heated at a constant rate. Use the graph an answer the following questions Temperature (°C) 180 140 120 100 80 60 40 Phase Change Diagram B 6 8 12 10 Time (minutes) 14 to a interesting fact.) Beyond point E, the substance is still in the are moving Substance Bolognium Unobtainium Foosium D At point A, the beginning of observations, the substance exists in a solid state. Material in this phase has is added to the volume and shape. With each passing minute.. substance. This causes the molecules of the substance to or in a state. more rapidly which we detect by a °C. The solid rise in the substance. At point B, the temperature of the substance is. begins to At point C, the substance is completely. Material in this phase has volume and between minutes 5 and 9 was used to convert the substance from a Between 9 and 13 minutes, the added energy increases the shape. The energy put to the substance to a time from point D to point E, the liquid is, phase. Material in this phase has shape. The energy put to the substance between minutes 13 and 18 converted the substance from a 16 state. This heat energy is called the latent heat of vaporization. (An phase, but the molecules Melting point 20 °C 40 °C 70 °C 18. 20 of the substance. During the By point E, the substance is completely in the volume and as indicated by the increasing temperature. Boiling point 100 °C 140 °C 140 °C Which of these three substances was likely used in this phase change experiment? Explain:
The graph was drawn from data collected as a substance was heated at a constant rate. Use the graph an answer the following questions Temperature (°C) 180 140 120 100 80 60 40 Phase Change Diagram B 6 8 12 10 Time (minutes) 14 to a interesting fact.) Beyond point E, the substance is still in the are moving Substance Bolognium Unobtainium Foosium D At point A, the beginning of observations, the substance exists in a solid state. Material in this phase has is added to the volume and shape. With each passing minute.. substance. This causes the molecules of the substance to or in a state. more rapidly which we detect by a °C. The solid rise in the substance. At point B, the temperature of the substance is. begins to At point C, the substance is completely. Material in this phase has volume and between minutes 5 and 9 was used to convert the substance from a Between 9 and 13 minutes, the added energy increases the shape. The energy put to the substance to a time from point D to point E, the liquid is, phase. Material in this phase has shape. The energy put to the substance between minutes 13 and 18 converted the substance from a 16 state. This heat energy is called the latent heat of vaporization. (An phase, but the molecules Melting point 20 °C 40 °C 70 °C 18. 20 of the substance. During the By point E, the substance is completely in the volume and as indicated by the increasing temperature. Boiling point 100 °C 140 °C 140 °C Which of these three substances was likely used in this phase change experiment? Explain:
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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Ideal and Real Gases
Ideal gases obey conditions of the general gas laws under all states of pressure and temperature. Ideal gases are also named perfect gases. The attributes of ideal gases are as follows,
Gas Laws
Gas laws describe the ways in which volume, temperature, pressure, and other conditions correlate when matter is in a gaseous state. The very first observations about the physical properties of gases was made by Robert Boyle in 1662. Later discoveries were made by Charles, Gay-Lussac, Avogadro, and others. Eventually, these observations were combined to produce the ideal gas law.
Gaseous State
It is well known that matter exists in different forms in our surroundings. There are five known states of matter, such as solids, gases, liquids, plasma and Bose-Einstein condensate. The last two are known newly in the recent days. Thus, the detailed forms of matter studied are solids, gases and liquids. The best example of a substance that is present in different states is water. It is solid ice, gaseous vapor or steam and liquid water depending on the temperature and pressure conditions. This is due to the difference in the intermolecular forces and distances. The occurrence of three different phases is due to the difference in the two major forces, the force which tends to tightly hold molecules i.e., forces of attraction and the disruptive forces obtained from the thermal energy of molecules.
Question
Transcribed Image Text:The graph was drawn from data collected as a substance was heated at a constant rate. Use the graph
an answer the following questions.
180
140
120
100
60
40
Phase Change Diagram
B
T LA
4
8
14
12
10
Time (minutes)
D
to a
interesting fact.) Beyond point E, the substance is still in the
are moving
Substance
Bolognium
Unobtainium
Foosium
16
At point A, the beginning of observations, the substance exists in a solid state. Material in this phase has
is added to the
volume and.
shape. With each passing minute,.
more rapidly which we detect by a
substance. This causes the molecules of the substance to
°C. The solid
rise in the substance. At point B, the temperature of the substance is
begins to
At point C, the substance is completely.
Material in this phase has.
volume and
between minutes 5 and 9 was used to convert the substance from a
Between 9 and 13 minutes, the added energy increases the.
or in a
state.
shape. The energy put to the substance
to a
time from point D to point E, the liquid is
phase. Material in this phase has
shape. The energy put to the substance between minutes 13 and 18 converted the substance from a
state. This heat energy is called the latent heat of vaporization. (An
phase, but the molecules
as indicated by the increasing temperature.
Melting point
20 °C
40 °C
70 °C
of the substance. During the
By point E, the substance is completely in the
volume and
18 20
E
Boiling point
100 °C
140 °C
140 °C
Which of these three substances was likely used in this phase change experiment?
Explain:
)
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