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Atkins P2.7 The molar heat capacity of ethane is represented in the temperature range 298 K to 400 K by the empirical expression Cp,m /(J/molK) = 14.73 +0.1272 (T/K). The corresponding expressions for C(s) and H₂(g) are given below. Calculate the standard enthalpy of formation of ethane at 350 K from its value at 298 K (AH (298 K) = - 84.7 kJ/mol). Temperature variation of molar heat capacities, Cpm/ (J/molk) = a + bT + c/T² a b/(10³ K) c/(105 K²) -8.54 C (s) 16.86 4.77 H₂(g) 27.28 3.26 0.50

Atkins P2.7 The molar heat capacity of ethane is represented in the temperature range 298 K to 400 K by the empirical expression Cp,m /(J/molK) = 14.73 +0.1272 (T/K). The corresponding expressions for C(s) and H₂(g) are given below. Calculate the standard enthalpy of formation of ethane at 350 K from its value at 298 K (AH (298 K) = - 84.7 kJ/mol). Temperature variation of molar heat capacities, Cpm/ (J/molk) = a + bT + c/T² a b/(10³ K) c/(105 K²) -8.54 C (s) 16.86 4.77 H₂(g) 27.28 3.26 0.50

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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Atkins P2.7 The molar heat capacity of ethane is represented in the temperature range 298 K to 400 K by the empirical expression Cpm /(J/molK) = 14.73 + 0.1272 (T/K). The corresponding expressions for C(s) and H₂(g) are given below. Calculate the standard enthalpy of formation of ethane at 350 K from its value at 298 K (AH (298 K) = - 84.7 kJ/mol). Temperature variation of molar heat capacities, Cpm/ (J/molK) = a + bT + c/T² a b/(10³ K) c/(105 K²) C (s) 16.86 4.77 -8.54 | H₂ (g) 27.28 3.26 0.50
Transcribed Image Text:Atkins P2.7 The molar heat capacity of ethane is represented in the temperature range 298 K to 400 K by the empirical expression Cpm /(J/molK) = 14.73 + 0.1272 (T/K). The corresponding expressions for C(s) and H₂(g) are given below. Calculate the standard enthalpy of formation of ethane at 350 K from its value at 298 K (AH (298 K) = - 84.7 kJ/mol). Temperature variation of molar heat capacities, Cpm/ (J/molK) = a + bT + c/T² a b/(10³ K) c/(105 K²) C (s) 16.86 4.77 -8.54 | H₂ (g) 27.28 3.26 0.50
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