3. Consider the phase diagrams shown to the right. Note: the axes and curves are not to scale. and yellow State which phase is present in the blue, regions of each diagram. Explain how you know based on the pressure and temperature conditions of each region. а. green, b. What is the major difference between the two diagrams? Explain what this means about the relative densities of the phases in each diagram. [Hint: As you increase pressure, what happens to the density of the system?] I. II • c. One of the diagrams corresponds to CO2 and the other corresponds to H20. Identify which phase diagram corresponds to which substance. Explain how you know. Temperature d. Say you have a container of each substance that begins at Point I on its corresponding phase diagram. If you slowly decrease the volume of each container while holding temperature constant, what would you expect to be the final state of each system? Name any phase transitions that occur and explain what is happening on a molecular level. I. II • e. Say you have a container of each substance that begins at Point II on its corresponding phase diagram. If you decrease the temperature to Ti while holding pressure constant, what would you expect to be the final state of each system? Name any phase transitions that occur and explain what is happening on a molecular level. Temperature Pressure Pressure

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Chapter1: Chemical Foundations
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3. Consider the phase diagrams shown to the right. Note: the axes and curves are not to scale.
and yellow
State which phase is present in the blue,
regions of each diagram. Explain how you know based on the
pressure and temperature conditions of each region.
а.
green,
b. What is the major difference between the two diagrams?
Explain what this means about the relative densities of the
phases in each diagram. [Hint: As you increase pressure, what
happens to the density of the system?]
I.
II •
c. One of the diagrams corresponds to CO2 and the other
corresponds to H20. Identify which phase diagram corresponds
to which substance. Explain how you know.
Temperature
d. Say you have a container of each substance that begins at Point I
on its corresponding phase diagram. If you slowly decrease the
volume of each container while holding temperature constant,
what would you expect to be the final state of each system?
Name any phase transitions that occur and explain what is
happening on a molecular level.
I.
II •
e. Say you have a container of each substance that begins at Point II
on its corresponding phase diagram. If you decrease the
temperature to Ti while holding pressure constant, what would
you expect to be the final state of each system? Name any phase
transitions that occur and explain what is happening on a
molecular level.
Temperature
Pressure
Pressure
Transcribed Image Text:3. Consider the phase diagrams shown to the right. Note: the axes and curves are not to scale. and yellow State which phase is present in the blue, regions of each diagram. Explain how you know based on the pressure and temperature conditions of each region. а. green, b. What is the major difference between the two diagrams? Explain what this means about the relative densities of the phases in each diagram. [Hint: As you increase pressure, what happens to the density of the system?] I. II • c. One of the diagrams corresponds to CO2 and the other corresponds to H20. Identify which phase diagram corresponds to which substance. Explain how you know. Temperature d. Say you have a container of each substance that begins at Point I on its corresponding phase diagram. If you slowly decrease the volume of each container while holding temperature constant, what would you expect to be the final state of each system? Name any phase transitions that occur and explain what is happening on a molecular level. I. II • e. Say you have a container of each substance that begins at Point II on its corresponding phase diagram. If you decrease the temperature to Ti while holding pressure constant, what would you expect to be the final state of each system? Name any phase transitions that occur and explain what is happening on a molecular level. Temperature Pressure Pressure
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