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Consider the phase diagram for carbon dioxide. 73.0 In what phase is CO, at 4 atm and -10 °C? solid liquid solid liquid gas 5.11 gas 1.0 -78.5 -56.4 31.1 Temperature (°C) Starting from the same point, 4 atm and -10 °C, what phase change would eventually result from an increase in pressure? O freezing condensation O melting O deposition vaporization sublimation Pressure (atm)

Consider the phase diagram for carbon dioxide. 73.0 In what phase is CO, at 4 atm and -10 °C? solid liquid solid liquid gas 5.11 gas 1.0 -78.5 -56.4 31.1 Temperature (°C) Starting from the same point, 4 atm and -10 °C, what phase change would eventually result from an increase in pressure? O freezing condensation O melting O deposition vaporization sublimation Pressure (atm)

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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**Phase Diagram Analysis for Carbon Dioxide** Consider the phase diagram for carbon dioxide. **Question 1:** In what phase is CO₂ at 4 atm and -10 °C? - o solid - o liquid - o gas **Question 2:** Starting from the same point, 4 atm and -10 °C, what phase change would eventually result from an increase in pressure? - o freezing - o condensation - o melting - o deposition - o vaporization - o sublimation **Diagram Explanation:** The phase diagram for carbon dioxide displays pressure on the y-axis (ranging from 1.0 atm to 73.0 atm) and temperature on the x-axis (ranging from -78.5 °C to 31.1 °C). The diagram is divided into three regions representing the solid, liquid, and gas phases. - **Solid Region:** This area covers low temperatures and ranges from -78.5 °C to -56.4 °C. - **Liquid Region:** This portion appears at high pressures, extending from -56.4 °C to approximately 31.1 °C and higher pressures. - **Gas Region:** This part includes low-pressure values from 1.0 atm and higher temperatures from about -56.4 °C to 31.1 °C. The boundary lines between these regions indicate the conditions under which phase transitions occur. At 4 atm and -10 °C, the point lies within the solid region. An increase in pressure from this point would result in a phase change towards the liquid region, indicating melting.
Transcribed Image Text:**Phase Diagram Analysis for Carbon Dioxide** Consider the phase diagram for carbon dioxide. **Question 1:** In what phase is CO₂ at 4 atm and -10 °C? - o solid - o liquid - o gas **Question 2:** Starting from the same point, 4 atm and -10 °C, what phase change would eventually result from an increase in pressure? - o freezing - o condensation - o melting - o deposition - o vaporization - o sublimation **Diagram Explanation:** The phase diagram for carbon dioxide displays pressure on the y-axis (ranging from 1.0 atm to 73.0 atm) and temperature on the x-axis (ranging from -78.5 °C to 31.1 °C). The diagram is divided into three regions representing the solid, liquid, and gas phases. - **Solid Region:** This area covers low temperatures and ranges from -78.5 °C to -56.4 °C. - **Liquid Region:** This portion appears at high pressures, extending from -56.4 °C to approximately 31.1 °C and higher pressures. - **Gas Region:** This part includes low-pressure values from 1.0 atm and higher temperatures from about -56.4 °C to 31.1 °C. The boundary lines between these regions indicate the conditions under which phase transitions occur. At 4 atm and -10 °C, the point lies within the solid region. An increase in pressure from this point would result in a phase change towards the liquid region, indicating melting.
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