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(atm) pressure A G₁ F B -E- H temperature (K) D In what region would a sample of pure X be liquid? C Which point marks the highest temperature and pressure at which it's possible to determine whether a sample of pure X is a liquid or a gas? Which line must the temperature and pressure have crossed if a liquid sample of X is observed to freeze? 0 0 0 о A OC O O O O O O O O E G A OC E G A O C E O O O OO ос OOO O O F H B DF H B F H

(atm) pressure A G₁ F B -E- H temperature (K) D In what region would a sample of pure X be liquid? C Which point marks the highest temperature and pressure at which it's possible to determine whether a sample of pure X is a liquid or a gas? Which line must the temperature and pressure have crossed if a liquid sample of X is observed to freeze? 0 0 0 о A OC O O O O O O O O E G A OC E G A O C E O O O OO ос OOO O O F H B DF H B F H

Chemistry
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
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### Graph Explanation The graph displays a phase diagram for a substance X, showing the relationship between pressure (in atm) and temperature (in Kelvin, K). The diagram is divided into regions marked by several points labeled A through H. - **Axes:** - The x-axis represents temperature in Kelvin (K). - The y-axis represents pressure in atmospheres (atm). - **Key Points and Curves:** - Points A, B, C, D, E, F, G, and H are marked on the graph. - The graph has distinct curves that divide the regions potentially into solid, liquid, and gas phases. - The line connecting points typically outlines regions where different states occur, such as solid-liquid and liquid-gas boundaries. ### Questions and Options 1. **Question 1:** - *In what region would a sample of pure X be liquid?* - Options: - O A - O B - O C - O D - O E - O F - O G - O H 2. **Question 2:** - *Which point marks the highest temperature and pressure at which it’s possible to determine whether a sample of pure X is a liquid or a gas?* - Options: - O A - O B - O C - O D - O E - O F - O G - O H 3. **Question 3:** - *Which line must the temperature and pressure have crossed if a liquid sample of X is observed to freeze?* - Options: - O A - O B - O C - O D - O E - O F - O G - O H ### Diagram Analysis - Generally, the phase diagram indicates that: - The area under the curve may represent the solid phase. - The area above the curve may represent the gaseous phase. - Regions between certain curves are likely indicative of the liquid phase. Understanding such diagrams is critical in thermodynamics and chemistry for predicting the state of a substance under varying pressure and temperature conditions. This phase diagram can help students learn about phase transitions and critical points in a substance.
Transcribed Image Text:### Graph Explanation The graph displays a phase diagram for a substance X, showing the relationship between pressure (in atm) and temperature (in Kelvin, K). The diagram is divided into regions marked by several points labeled A through H. - **Axes:** - The x-axis represents temperature in Kelvin (K). - The y-axis represents pressure in atmospheres (atm). - **Key Points and Curves:** - Points A, B, C, D, E, F, G, and H are marked on the graph. - The graph has distinct curves that divide the regions potentially into solid, liquid, and gas phases. - The line connecting points typically outlines regions where different states occur, such as solid-liquid and liquid-gas boundaries. ### Questions and Options 1. **Question 1:** - *In what region would a sample of pure X be liquid?* - Options: - O A - O B - O C - O D - O E - O F - O G - O H 2. **Question 2:** - *Which point marks the highest temperature and pressure at which it’s possible to determine whether a sample of pure X is a liquid or a gas?* - Options: - O A - O B - O C - O D - O E - O F - O G - O H 3. **Question 3:** - *Which line must the temperature and pressure have crossed if a liquid sample of X is observed to freeze?* - Options: - O A - O B - O C - O D - O E - O F - O G - O H ### Diagram Analysis - Generally, the phase diagram indicates that: - The area under the curve may represent the solid phase. - The area above the curve may represent the gaseous phase. - Regions between certain curves are likely indicative of the liquid phase. Understanding such diagrams is critical in thermodynamics and chemistry for predicting the state of a substance under varying pressure and temperature conditions. This phase diagram can help students learn about phase transitions and critical points in a substance.
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Step 1: Defining phase diagram!

Answer:

Phase diagram is the interpretation of different physical states of a matter at different temperature and pressure values and lines that divide the different phases of the matter are called as phase boundaries.

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