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 (4)= -26.41 kcal/mol, AH CH20H(9)= -48.08 kcal/mol, AG.co (g)= -32.8079 kcal/mol, AG" CHOH(q)= -38.69 kcal/mol, The standard heat capacity of various components is given by, C9 = a + bT + cT2 + dT3, where C is in cal/mol-K and T is in K

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
reaction at 400 k for the reaction
СO(g) +2H2(g) — CHОН (g)
At 298.15 K, AH.co (0)= -26.41 kcal/mol, AH
AG.co (9)= -32.8079 kcal/mol, AG cH,oh(9)= -38.69 kcal/mol,
°.CH20H(9)= -48.08 kcal/mol,
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
d x10°
Соmponent
CH3OH
а
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 reaction at 400 k for the reaction СO(g) +2H2(g) — CHОН (g) At 298.15 K, AH.co (0)= -26.41 kcal/mol, AH AG.co (9)= -32.8079 kcal/mol, AG cH,oh(9)= -38.69 kcal/mol, °.CH20H(9)= -48.08 kcal/mol, 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 d x10° Соmponent CH3OH а 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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