Compute ΔGo at 200.0 oC for each of the following reactions, which are important in the chemistry of coal. Assume that coal has the same thermodynamic properties as graphite. Substance ΔHo(kJ/mol) So(J/(mol*K)) C(graphite) 0 5.7 H2O(g) -241.83 188.835 CO(g) -110.5 197.7 H2(g) 0 130.680 O2(g) 0 205.152 CO2(g) -393.5 213.8

Chemistry: Principles and Practice
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Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
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Chapter17: Chemcial Thermodynamics
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Problem 17.65QE
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Compute ΔGo at 200.0 oC for each of the following reactions, which are important in the chemistry of coal. Assume that coal has the same thermodynamic properties as graphite.

Substance ΔHo(kJ/mol) So(J/(mol*K))
C(graphite) 0 5.7
H2O(g) -241.83 188.835
CO(g) -110.5 197.7
H2(g) 0 130.680
O2(g) 0 205.152
CO2(g) -393.5

213.8

 

C(s, coal) + H2O(g)  CO(g) + H2(g)

 

 

C(s, coal) + O2(g)  CO2(g)

 

 

C(s, coal) + 1/2O2(g)  CO(g)

 

CO(g) + H2O(g)  CO2(g) + H2(g)

 

 

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