A solvent sublimes at a temperature of 258.4 K at a pressure of 23 mm Hg, with its enthalpies of sublimation and vaporization being 30780 and 23457 J/mol, respectively. If the normal melting temperature of the solvent is 4C and the triple point temperature is 1C, calculate: a) Enthalpy of fusion and pressure at the triple point b) Can we lyophilize if we obtain a vacuum pressure of 45 mm Hg? c) Does it follow Trouton's rule? d) Is it true that the density of the solid is grea
A solvent sublimes at a temperature of 258.4 K at a pressure of 23 mm Hg, with its enthalpies of sublimation and vaporization being 30780 and 23457 J/mol, respectively. If the normal melting temperature of the solvent is 4C and the triple point temperature is 1C, calculate: a) Enthalpy of fusion and pressure at the triple point b) Can we lyophilize if we obtain a vacuum pressure of 45 mm Hg? c) Does it follow Trouton's rule? d) Is it true that the density of the solid is grea
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
Problem 116QRT
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A solvent sublimes at a temperature of 258.4 K at a pressure of 23 mm Hg, with its enthalpies of sublimation and vaporization being 30780 and 23457 J/mol, respectively. If the normal melting temperature of the solvent is 4C and the triple point temperature is 1C, calculate:
a) Enthalpy of fusion and pressure at the triple point
b) Can we lyophilize if we obtain a vacuum pressure of 45 mm Hg?
c) Does it follow Trouton's rule?
d) Is it true that the density of the solid is greater than that of the liquid? Will the solid float in the liquid?
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