Reaction #1 Co(g) + 2H2(g) -→ CH;OH(!) AS° = -332 J/K Reaction #2 CH;OH() → CH(g) +0:(g) AS° = +162 J/K AH, AG; s° Substance (kJ mor) (kJ mot) (JK' mor) CO(g) -110.5 197.674 -238.7 -166.4 126.8 CH:OH() CH:(g) -74.8 186.2 NOTE: You should be able to work this problem without using any additional tabulated data. (a) Calculate AH for reaction #1. (b) Calculate AGP for CO(g). (c) Calculate S° for O2(g). (d) At what temperatures is reaction #1 spontaneous?

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Reaction #1
Co()
+ 2H2(g) → CH:OH()
AS° = -332 J/K
CH.(g) + 0:(g)
AS° = +162 J/K
Reaction #2
CH:OH(!) –
AH',
AG;
s°
Substance
(kJ mor)
(kJ mot')
(JK' mor')
Co(g)
-110.5
197.674
-238.7
-166.4
126.8
CH:OH(f)
CH(g)
-74.8
186.2
NOTE: You should be able to work this problem without using any additional
tabulated data.
(a) Calculate AH for reaction #1.
(b) Calculate AGf for CO(g).
(c) Calculate S° for O2(g).
(d) At what temperatures is reaction #1 spontaneous?
Transcribed Image Text:Reaction #1 Co() + 2H2(g) → CH:OH() AS° = -332 J/K CH.(g) + 0:(g) AS° = +162 J/K Reaction #2 CH:OH(!) – AH', AG; s° Substance (kJ mor) (kJ mot') (JK' mor') Co(g) -110.5 197.674 -238.7 -166.4 126.8 CH:OH(f) CH(g) -74.8 186.2 NOTE: You should be able to work this problem without using any additional tabulated data. (a) Calculate AH for reaction #1. (b) Calculate AGf for CO(g). (c) Calculate S° for O2(g). (d) At what temperatures is reaction #1 spontaneous?
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