Use data from Appendix IIB in the textbook to calculate the equilibrium constant

Question

Use data from Appendix IIB in the textbook to calculate the equilibrium constants at 25C for each of the following reactions.

1. 2CO(g)+O2(g) = 2CO2(g)

CO; delta h=-110.5       delta g=-137.2      delta S=197.7

O2; delta H=0        .delta g=0       delta S=205.2

CO2; delta h= -393.5              delta g= -394.4              .delta S= 213.8

2.    2H2S(g)+2H2(g)+S2(g) H2S;

delta H= -2.6            delta g= -33.4          delta S= 205.8

H2; delta H= 0   delta g= 0           .delta S= 130.7

S2; delta H= 128.6       .delta g= 79.7            delta S=228.2

Explanation / Answer

1) Keq=1.31486e+90

2) Keq=2.15943e-26

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