b) Determine the standard enthalpy change and std. Gibbs free energy change of reaction at 400 k for the reaction CO(g) +2H2(g) –→ CH3OH (g) At 298.15 K, AH co ()= -26.41 kcal/mol, AH.CH,OH()= -48.08 kcal/mol, AG cO ()= -32.8079 kcal/mol, AG".CH2OH(9)= -38.69 kcal/mol, The standard heat capacity of various components is given by, C = a + bT + cT² + dT³, where C, is in cal/mol-K and T is in K с х10° -0.291 0.1283 Соmponent CH3OH b x10² d x10º а 4.55 2.186 -1.92 CO 6.726 0.04 -0.5307 H2 6.952 -0.0457 0.09563 -0.2079
b) Determine the standard enthalpy change and std. Gibbs free energy change of reaction at 400 k for the reaction CO(g) +2H2(g) –→ CH3OH (g) At 298.15 K, AH co ()= -26.41 kcal/mol, AH.CH,OH()= -48.08 kcal/mol, AG cO ()= -32.8079 kcal/mol, AG".CH2OH(9)= -38.69 kcal/mol, The standard heat capacity of various components is given by, C = a + bT + cT² + dT³, where C, is in cal/mol-K and T is in K с х10° -0.291 0.1283 Соmponent CH3OH b x10² d x10º а 4.55 2.186 -1.92 CO 6.726 0.04 -0.5307 H2 6.952 -0.0457 0.09563 -0.2079
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:b) Determine the standard enthalpy change and std. Gibbs free energy change of
reaction at 400 k for the reaction
CO(g) +2H2(g) –→ CH3OH (g)
At 298.15 K, AH co (0)= -26.41 kcal/mol, AH° c.
AG.co (9)= -32.8079 kcal/mol, AG".Ch30H(9)= -38.69 kcal/mol,
f,CH3OH(g)= -48.08 kcal/mol,
f,co
The standard heat capacity of various components is given by,
CO = a + bT + cT² + dT³, where C, is in cal/mol-K and T is in K
b x10²
с х105
Сomponent
CH3OH
a
d x10°
4.55
2.186
-0.291
-1.92
CO
6.726
0.04
0.1283
-0.5307
H2
6.952
-0.0457
0.09563
-0.2079
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