4.) (1 1000 - 100 - P 10 - e u 0.1 - e (atm) 0.01 - 50 100 150 200 250 300 350 400 450 500 Temperature (K) Answer all from a-g a.) Use the above generic phase diagram, clearly identify where you would find the following: Gas, Liquid, Solid, Triple Point, Draw arrows and label to indicate the six transitions (melting, freezing, sublimation, deposition, vaporization and condensation) b.) Based on the above phase diagram, what is the normal boiling point temperature in K? c.) Based on the above phase diagram at what temperature in K would melting occur under normal conditions?

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### Understanding Phase Diagrams

This section provides an overview of phase diagrams, with a focus on interpreting a generic phase diagram for educational purposes.

#### Phase Diagram
The provided phase diagram displays the relationship between pressure (in atm) and temperature (in K). The diagram consists of three curves that meet at a single point, illustrating the different phases (solid, liquid, gas) and phase transitions of a substance.

**Key Features of the Diagram:**
- **Axes:** 
  - The x-axis represents temperature in Kelvin (K), ranging from 50 K to 500 K.
  - The y-axis represents pressure in atmospheres (atm), ranging from 0.001 atm to 1000 atm.

- **Curves and Regions:**
  - The left-most curve typically represents the solid-liquid boundary.
  - The curve to the right represents the liquid-gas boundary.
  - The area to the left of the solid-liquid curve is the solid region.
  - The area between the solid-liquid and liquid-gas curves is the liquid region.
  - The area to the right of the liquid-gas curve is the gas region.
  - The point where all three curves meet is known as the triple point.

#### Questions and Tasks:
1. **a. Identifying phase transitions:**
   Use the diagram to pinpoint and label the following:
   - **Solid Phase:** To the left of the solid-liquid curve.
   - **Liquid Phase:** Between the solid-liquid and liquid-gas boundaries.
   - **Gas Phase:** To the right of the liquid-gas boundary.
   - **Triple Point:** The junction where all three curves meet.
   - **Melting:** Moving horizontally from solid to liquid phase.
   - **Freezing:** Moving horizontally from liquid to solid phase.
   - **Sublimation:** Moving directly from solid to gas phase.
   - **Deposition:** Moving directly from gas to solid phase.
   - **Vaporization:** Moving horizontally from liquid to gas phase.
   - **Condensation:** Moving horizontally from gas to liquid phase.

2. **b. Normal Boiling Point:**
   - The normal boiling point occurs at 1 atm pressure. Locate the intersection of the liquid-gas boundary with the 1 atm line and find the corresponding temperature.

3. **c. Melting under Normal Conditions:**
   - Under normal conditions (1 atm pressure), identify the temperature where the substance transitions from solid to liquid.
Transcribed Image Text:### Understanding Phase Diagrams This section provides an overview of phase diagrams, with a focus on interpreting a generic phase diagram for educational purposes. #### Phase Diagram The provided phase diagram displays the relationship between pressure (in atm) and temperature (in K). The diagram consists of three curves that meet at a single point, illustrating the different phases (solid, liquid, gas) and phase transitions of a substance. **Key Features of the Diagram:** - **Axes:** - The x-axis represents temperature in Kelvin (K), ranging from 50 K to 500 K. - The y-axis represents pressure in atmospheres (atm), ranging from 0.001 atm to 1000 atm. - **Curves and Regions:** - The left-most curve typically represents the solid-liquid boundary. - The curve to the right represents the liquid-gas boundary. - The area to the left of the solid-liquid curve is the solid region. - The area between the solid-liquid and liquid-gas curves is the liquid region. - The area to the right of the liquid-gas curve is the gas region. - The point where all three curves meet is known as the triple point. #### Questions and Tasks: 1. **a. Identifying phase transitions:** Use the diagram to pinpoint and label the following: - **Solid Phase:** To the left of the solid-liquid curve. - **Liquid Phase:** Between the solid-liquid and liquid-gas boundaries. - **Gas Phase:** To the right of the liquid-gas boundary. - **Triple Point:** The junction where all three curves meet. - **Melting:** Moving horizontally from solid to liquid phase. - **Freezing:** Moving horizontally from liquid to solid phase. - **Sublimation:** Moving directly from solid to gas phase. - **Deposition:** Moving directly from gas to solid phase. - **Vaporization:** Moving horizontally from liquid to gas phase. - **Condensation:** Moving horizontally from gas to liquid phase. 2. **b. Normal Boiling Point:** - The normal boiling point occurs at 1 atm pressure. Locate the intersection of the liquid-gas boundary with the 1 atm line and find the corresponding temperature. 3. **c. Melting under Normal Conditions:** - Under normal conditions (1 atm pressure), identify the temperature where the substance transitions from solid to liquid.
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