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Unformatted text preview: The line between the gas and solid phase indicates the vapor pressure of the solid as it sublimes at different temperatures The line between the solid and liquid phases indicates the melting temperature of the solid as a function of pressure o For most substances the solid is denser than the liquid o An increase in pressure usually favors the more dense solid phase o Usually higher temperatures are required to melt the solid phase at higher pressures The "triple point" is the particular condition of temperature and pressure where all three physical states are in equilibrium Regions not on a line represent conditions of temperature and pressure where only one particular phase is present o Gases are most likely under conditions of high temperature o Solids are most likely under conditions of high pressure...
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