5) a) A compound having molecular weight of 130 g/mol has the density of 1100 and 1024 kg/m' for solid and liquid phases respectively at its melting temperature of 425.15 K under 1 bar. When the pressure was increased to 125 bar the melting temperature increases to 427.45 K. Calculate AS° and AH° for the solid to liquid phase transition for this compound. b) Please explain why molality is prefered to use over molarity in colligative properties applications.

5) a) A compound having molecular weight of 130 g/mol has the density of 1100 and 1024 kg/m' for solid and liquid phases respectively at its melting temperature of 425.15 K under 1 bar. When the pressure was increased to 125 bar the melting temperature increases to 427.45 K. Calculate AS° and AH° for the solid to liquid phase transition for this compound. b) Please explain why molality is prefered to use over molarity in colligative properties applications.

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter12: Solutions

Section: Chapter Questions

Problem 12.87QE

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