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 (9)= -26.41 kcal/mol, AH CH30H(9)= -48.08 kcal/mol, AG CO (9)= -32.8079 kcal/mol, AG CH20H(q)= -38.69 kcal/mol, f,CO

Chemistry: The Molecular Science
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Chapter16: Thermodynamics: Directionality Of Chemical Reactions
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Problem 83QRT: Another step in the metabolism of glucose, which occurs after the formation of glucose6-phosphate,...
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b) Determine the standard enthalpy change and std. Gibbs free energy change of D
reaction at 400 k for the reaction
CO(g) +2H2(g) → CH;OH (g)
At 298.15 K, AH CO (9)= -26.41 kcal/mol, AH.CH,0H(9)= -48.08 kcal/mol,
(9)= -32.8079 kcal/mol, AG CH30H(g)= -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
b x10²
c x105
d x10º
Сomponent
CH3OH
a
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
Transcribed Image Text:b) Determine the standard enthalpy change and std. Gibbs free energy change of D reaction at 400 k for the reaction CO(g) +2H2(g) → CH;OH (g) At 298.15 K, AH CO (9)= -26.41 kcal/mol, AH.CH,0H(9)= -48.08 kcal/mol, (9)= -32.8079 kcal/mol, AG CH30H(g)= -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 b x10² c x105 d x10º Сomponent CH3OH a 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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