Study the following phase diagram of Substance X. 16- solid liquid gas 100 200 temperature (K) Use this diagram to answer the following questions. Suppose a small sample of pure X is held at What will be the state of the sample? 104. °C and 6.1 atm. (choose one) v (choose one) Suppose the temperature is held constant at - 104. °C but the pressure is increased by 4.9 atm. What will happen to the sample? solid pressure (atm)

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### Phase Diagram of Substance X

#### Description

The phase diagram of Substance X illustrates the relationship between pressure and temperature for the different states of matter: solid, liquid, and gas.

#### Diagram Analysis

- **Axes**: 
  - The horizontal axis (x-axis) represents the temperature in Kelvin (K).
  - The vertical axis (y-axis) represents the pressure in atmospheres (atm).

- **Phases**:
  - The solid phase is located in the lower temperature and higher pressure region.
  - The liquid phase occupies the area between the solid and gas regions at moderate temperatures and pressures.
  - The gas phase is found at higher temperatures and lower pressures.

- **Phase Boundaries**:
  - The solid-liquid boundary line indicates the temperatures and pressures at which solid and liquid phases coexist.
  - The liquid-gas boundary line indicates the temperatures and pressures at which liquid and gas phases coexist.
  - The solid-gas boundary line shows the pressures and temperatures where the solid and gas phases coexist.

#### Questions Based on the Diagram

1. **State of Pure X at a Specific Condition**:
   - Suppose a small sample of pure X is held at -104 °C and 6.1 atm. What will be the state of the sample?
     - Options: (choose one) solid, liquid, gas
     - Answer selection area.

2. **Effect of Pressure Change at Constant Temperature**:
   - Suppose the temperature is held constant at -104 °C, but the pressure is increased by 4.9 atm. What will happen to the sample?
     - Options: (choose one) solid, liquid, gas
     - Answer selection area.

#### Instructions
Use this phase diagram to determine the answers for the given questions.

Continue button to proceed after selecting your answers.
Transcribed Image Text:### Phase Diagram of Substance X #### Description The phase diagram of Substance X illustrates the relationship between pressure and temperature for the different states of matter: solid, liquid, and gas. #### Diagram Analysis - **Axes**: - The horizontal axis (x-axis) represents the temperature in Kelvin (K). - The vertical axis (y-axis) represents the pressure in atmospheres (atm). - **Phases**: - The solid phase is located in the lower temperature and higher pressure region. - The liquid phase occupies the area between the solid and gas regions at moderate temperatures and pressures. - The gas phase is found at higher temperatures and lower pressures. - **Phase Boundaries**: - The solid-liquid boundary line indicates the temperatures and pressures at which solid and liquid phases coexist. - The liquid-gas boundary line indicates the temperatures and pressures at which liquid and gas phases coexist. - The solid-gas boundary line shows the pressures and temperatures where the solid and gas phases coexist. #### Questions Based on the Diagram 1. **State of Pure X at a Specific Condition**: - Suppose a small sample of pure X is held at -104 °C and 6.1 atm. What will be the state of the sample? - Options: (choose one) solid, liquid, gas - Answer selection area. 2. **Effect of Pressure Change at Constant Temperature**: - Suppose the temperature is held constant at -104 °C, but the pressure is increased by 4.9 atm. What will happen to the sample? - Options: (choose one) solid, liquid, gas - Answer selection area. #### Instructions Use this phase diagram to determine the answers for the given questions. Continue button to proceed after selecting your answers.
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