How much heat energy is required to convert 84.0 g (1.82 mol) of liquid ethanol (C2H5OH) at 78.4 °C to gaseous ethanol at 105.0 °C? Melting point of ethanol = 114.5 °C Boiling point of ethanol = 78.4 °C Molar heat of fusion of ethanol = 4.60 kJ/mol Molar heat of vaporization of 38.56 kJ/mol ethanol = Specific heat capacity of liquid 2.45 J/g°C ethanol = Specific heat capacity of gaseous 1.43 J/g°C ethanol =

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
Chapter11: Liquids And Solids
Section: Chapter Questions
Problem 11.40QE
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How much heat energy is required to convert 84.0 g (1.82 mol) of liquid ethanol
(C2H5OH) at 78.4 °C to gaseous ethanol at 105.0 °C?
Melting point of ethanol =
114.5 °C
Boiling point of ethanol =
78.4 °C
Molar heat of fusion of ethanol =
4.60 kJ/mol
Molar heat of vaporization of
38.56 kJ/mol
ethanol =
Specific heat capacity of liquid
2.45 J/g°C
ethanol =
Specific heat capacity of gaseous 1.43 J/g°C
ethanol =
Transcribed Image Text:How much heat energy is required to convert 84.0 g (1.82 mol) of liquid ethanol (C2H5OH) at 78.4 °C to gaseous ethanol at 105.0 °C? Melting point of ethanol = 114.5 °C Boiling point of ethanol = 78.4 °C Molar heat of fusion of ethanol = 4.60 kJ/mol Molar heat of vaporization of 38.56 kJ/mol ethanol = Specific heat capacity of liquid 2.45 J/g°C ethanol = Specific heat capacity of gaseous 1.43 J/g°C ethanol =
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