hase Diagrams and Phase Changes 27 of 32 A phase diagram is a convenient means o

Question

hase Diagrams and Phase Changes 27 of 32 A phase diagram is a convenient means of representing the temperature and pressure dependence of a pure substance in a closed system. The typical phase diagram indicates which phase (solid, liquid, or gas) is stable at a given temperature and pressure. Boundaries separate these phase regions. When a boundary line is crossed owing to changes in temperature and/or pressure a phase change occurs. - Part A Identify each of the labeled points (indicated with letters) or changes (indicated with two letters separated by an arrow) shown on the phase diagram. 1.00 0.50 150 7s Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer View Available Hint(s) Reset Help 1. The transition shown by the line from E to C is 2. The transition shown by the line from E to F is 3. The transition shown by the line from D to C is 4. The transition shown by the line from F to E is 5. The point indicated by B is the 6. The transition shown by the line from C to E 7. The transition shown by the line from C to D is 8. The point indicated by A is freezing critical point triple point

Explanation / Answer

In the given phase diagram, each region has been represented by different letters as X, Y, Z.

X represents Solid phase, Y stands for Liquid phase and Z is for the Gaseous phase

Part A :

1] From E to C means From X to Y region i.e. Solid to Liquid

Melting

2] From E to F means From X to Z region i.e. Solid to Gaseous

Sublimation

3] From D to C means From Z to Y region i.e. Gaseous to Liquid

Condensation

4] From F to E means From Z to X region i.e. Gaseous to Solid

Deposition

5] The point indicated by B is the Critical point

6] From C to E means From Y to X region i.e. Liquid to Solid

Freezing

7] From C to D means From Y to Z region i.e. Liquid to Gaseous

Boiling

8] The point indicated by A is the Triple point

Part B :

Normal boiling point occurs at 1 atm.

The conversion occurs from liquid to gaseous phase i.e. from Y to Z region

the temperature corresponding 1 atm pressure at the intermediate line of X and Y region will give us the normal boiling point.

therefore, Normal boiling point will be around 50 0C

Related Questions

Navigate

• Browse (All)
• Browse H
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.