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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![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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff68d8075-9ab1-4d07-bcfc-4b31dd78c8bd%2F47760137-096f-474c-8e84-90cbce724fc0%2Frdtbdb_processed.png&w=3840&q=75)
Transcribed Image Text: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.
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