triple

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter9: Liquids, Solids, And Materials
Section: Chapter Questions
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  • Consider a substance where the density of the solid phase is less than the density of the liquid phase. What does this suggest regarding the Pressure vs. Temperature phase diagram for this substance? 
    1. The triple point for this substance indicates the pressure and temperature at which the liquid, solid, and gas phases are in equilibrium.
    2. The line separating the solid phase from the liquid phase will have a positive slope.
    3. The line separating the liquid from the solid phase represents the range of temperature/pressure values in which the two phases have the same Gibbs energy.
    4. The region of the diagram corresponding to the liquid phase will correspond to higher temperatures (compared to the solid phase region).
    5. None of the above
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