Suppose a small sample of pure X is held at -90. °C and 7.7 atm. What will be the state of the sample? Suppose the temperature is held constant at -90. °C but the pressure is decreased by 5.8 atm. What will happen to the sample? Suppose, on the other hand, the pressure is held constant at 7.7 atm but the temperature is decreased by 45. °C. What will happen to the sample? (choose one (choose one) (choose one)
Suppose a small sample of pure X is held at -90. °C and 7.7 atm. What will be the state of the sample? Suppose the temperature is held constant at -90. °C but the pressure is decreased by 5.8 atm. What will happen to the sample? Suppose, on the other hand, the pressure is held constant at 7.7 atm but the temperature is decreased by 45. °C. What will happen to the sample? (choose one (choose one) (choose one)
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![The image shows a temperature-pressure phase diagram with questions about the behavior of a small sample of pure X. The diagram likely depicts different phases of a substance based on temperature (in Kelvin) and pressure (in atm).
**Questions:**
1. **Suppose the temperature is held constant at –90°C and pressure is decreased by 5.8 atm. What will happen to the state of the sample?**
2. **Suppose, on the other hand, the pressure is held constant at 7.7 atm but the temperature is decreased by 45°C. What will happen to the sample?**
Below each question, there are dropdown options labeled "[choose one]" for selecting the potential outcomes of the scenarios.
**Explanation Section:**
- The left side of the image features buttons labeled "Explanation" and "Check," which likely allow users to view detailed explanations of the concepts or verify their answers.
**Diagram Details:**
While the specific graph details were not described in the image, these graphs usually contain curves separating different phases such as solid, liquid, and gas, with critical points marking phase transitions based on pressure and temperature. In educational contexts, these diagrams help students understand concepts like phase transitions, critical points, and the impact of pressure and temperature on states of matter.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc2bfb154-6516-44b8-a74c-6088eccd0097%2Fe8281d66-a9fb-404b-82f7-6fd26a5b1d8d%2Fy79stls_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The image shows a temperature-pressure phase diagram with questions about the behavior of a small sample of pure X. The diagram likely depicts different phases of a substance based on temperature (in Kelvin) and pressure (in atm).
**Questions:**
1. **Suppose the temperature is held constant at –90°C and pressure is decreased by 5.8 atm. What will happen to the state of the sample?**
2. **Suppose, on the other hand, the pressure is held constant at 7.7 atm but the temperature is decreased by 45°C. What will happen to the sample?**
Below each question, there are dropdown options labeled "[choose one]" for selecting the potential outcomes of the scenarios.
**Explanation Section:**
- The left side of the image features buttons labeled "Explanation" and "Check," which likely allow users to view detailed explanations of the concepts or verify their answers.
**Diagram Details:**
While the specific graph details were not described in the image, these graphs usually contain curves separating different phases such as solid, liquid, and gas, with critical points marking phase transitions based on pressure and temperature. In educational contexts, these diagrams help students understand concepts like phase transitions, critical points, and the impact of pressure and temperature on states of matter.
![**Phase Diagram for Substance X**
**Graph Explanation:**
The graph displays the phase diagram of Substance X, with pressure (in atm) on the y-axis and temperature (in Kelvin) on the x-axis. The diagram is divided into three main regions representing different states of matter: solid, liquid, and gas.
- **Solid Region**: Located at low temperatures and high pressures.
- **Liquid Region**: Found at intermediate temperatures and pressures.
- **Gas Region**: Situated at high temperatures and low pressures.
The lines separating these regions represent phase boundaries:
- The line between solid and liquid indicates the melting/freezing point.
- The line between liquid and gas represents the boiling/condensation point.
- The triple point, where all three phases exist simultaneously, is marked on the diagram.
**Questions and Instructions:**
1. **Question 1**:
- "Suppose a small sample of pure X is held at -90°C and 7 atm. What will be the state of the sample?"
- Options: [choose one]
2. **Question 2**:
- "Suppose the temperature is held constant at -90°C, but the pressure is decreased by 5 atm. What will happen to the sample?"
- Options: [choose one]
**Additional Features:**
- **Buttons**: "Explanation" and "Check" for further instructions and validation.
- **User Interaction**: Allows users to choose answers from provided options to test their understanding of phase changes in different conditions.
This interactive educational tool helps students learn how to interpret phase diagrams and understand the conditions under which phase changes occur.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc2bfb154-6516-44b8-a74c-6088eccd0097%2Fe8281d66-a9fb-404b-82f7-6fd26a5b1d8d%2Fxu5o3wl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Phase Diagram for Substance X**
**Graph Explanation:**
The graph displays the phase diagram of Substance X, with pressure (in atm) on the y-axis and temperature (in Kelvin) on the x-axis. The diagram is divided into three main regions representing different states of matter: solid, liquid, and gas.
- **Solid Region**: Located at low temperatures and high pressures.
- **Liquid Region**: Found at intermediate temperatures and pressures.
- **Gas Region**: Situated at high temperatures and low pressures.
The lines separating these regions represent phase boundaries:
- The line between solid and liquid indicates the melting/freezing point.
- The line between liquid and gas represents the boiling/condensation point.
- The triple point, where all three phases exist simultaneously, is marked on the diagram.
**Questions and Instructions:**
1. **Question 1**:
- "Suppose a small sample of pure X is held at -90°C and 7 atm. What will be the state of the sample?"
- Options: [choose one]
2. **Question 2**:
- "Suppose the temperature is held constant at -90°C, but the pressure is decreased by 5 atm. What will happen to the sample?"
- Options: [choose one]
**Additional Features:**
- **Buttons**: "Explanation" and "Check" for further instructions and validation.
- **User Interaction**: Allows users to choose answers from provided options to test their understanding of phase changes in different conditions.
This interactive educational tool helps students learn how to interpret phase diagrams and understand the conditions under which phase changes occur.
Expert Solution
Step 1
From the given graph, pressure(in atm) goes along y-axis and temperature(in K) along x-axis .
The one point along y-axis = 6 atm
The smaller points in one big point along y-axis = 4
So the measument of 1 small point = 6 atm ÷ 4 = 1.5 atm
For x-axis :
1 big point = 100 K
Number of small points in one big point = 4
So the measurement of 1 small point = 100 K ÷ 4 = 25 K
Using conversion:
0°C = 273 K
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