Q4) a) Explain why AStusion and ASaporizason are always positive? b) Natural gas is composed of 90% methane (CHa). As a heat source, methane is burned under the stream of 02. This reaction, namely combustion reaction, is given as follows : CHa(g) + 20z(g) → CO:(g) +2H20(1) According to this reaction find out AA°reaction and AG reaction at 298 K. s° (CO.) = 213.8 J/mol.K; s° (H;O) = 70.0 J/mol.K;S° (CHa) = 183.6 J/mol.K; s° (0,) = 205.2 J/mol.K; AH° reaction =-890 kJ/mol. Assume that all reactants and products behave as an ideal gase.
Q4) a) Explain why AStusion and ASaporizason are always positive? b) Natural gas is composed of 90% methane (CHa). As a heat source, methane is burned under the stream of 02. This reaction, namely combustion reaction, is given as follows : CHa(g) + 20z(g) → CO:(g) +2H20(1) According to this reaction find out AA°reaction and AG reaction at 298 K. s° (CO.) = 213.8 J/mol.K; s° (H;O) = 70.0 J/mol.K;S° (CHa) = 183.6 J/mol.K; s° (0,) = 205.2 J/mol.K; AH° reaction =-890 kJ/mol. Assume that all reactants and products behave as an ideal gase.
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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Transcribed Image Text:Q4) a) Explain why AStusion and AS,aporizaton are always positive?
b) Natural gas is composed of 90% methane (CHa). As a heat source, methane is burned
under the stream of O2. This reaction, namely combustion reaction, is given as follows :
CH:(g) + 202(g) → CO2(g) +2H20(1)
According to this reaction find out AA°reaction and AG°reaction at 298 K.
s° (CO.) = 213.8 J/mol.K ; S° (H2O) = 70.0 J/mol.K ; S° (CH2) = 183.6 J/mol.K;
s° (02) = 205.2 J/mol.K; AH°reaction = -890 kJ/mol.
Assume that all reactants and products behave as an ideal gase.
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