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reaction enthalpy at 190°C

reaction enthalpy at 190°C

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
Section: Chapter Questions
Problem 1.1P
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QUESTION 3 Ethanol (C2H5OH (1)) burns in oxygen according to the equation: 302(g) + C2H5OH (g) = 2CO2(g) + 3H2O(1) At 25°C the The standard enthalpy of formation AfHO of C₂H5OH(g), CO₂ (g) and H₂O (1) are -277.38, -393.5 and -285.8 kJ/mol, respectively. First, calculate the reaction enthalpy at 25°C, then calcualte the reaction enthalpy at 190°C, if the heat capacities at constant pressure (Cp) of C2H5OH(g), O2(g), CO2(g), and H₂O(/) are 112.4J K-1 mol-1, 29.36J K-1 mol-1, 29.10J K-1 mol-1, and 75.29J K-1 mol-1, respectively Instruction: Please round to 1 decimal place, as 101.2. Please pay attention to the sign of your answer.
Transcribed Image Text:QUESTION 3 Ethanol (C2H5OH (1)) burns in oxygen according to the equation: 302(g) + C2H5OH (g) = 2CO2(g) + 3H2O(1) At 25°C the The standard enthalpy of formation AfHO of C₂H5OH(g), CO₂ (g) and H₂O (1) are -277.38, -393.5 and -285.8 kJ/mol, respectively. First, calculate the reaction enthalpy at 25°C, then calcualte the reaction enthalpy at 190°C, if the heat capacities at constant pressure (Cp) of C2H5OH(g), O2(g), CO2(g), and H₂O(/) are 112.4J K-1 mol-1, 29.36J K-1 mol-1, 29.10J K-1 mol-1, and 75.29J K-1 mol-1, respectively Instruction: Please round to 1 decimal place, as 101.2. Please pay attention to the sign of your answer.
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