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Show that the reaction CO(g)+ 1/2 O(2)(g...

Show that the reaction `CO(g)+ 1/2 O_(2)(g) to CO_(2)(g)` at 300 K is spontaneous and exothermic, when the standard entropy change is `-0.094 kJ mol^(-1) K^(-1)`. The standard Gibbs energies of formation for `CO_2 and CO` are `-394.4 and -137.2 kJ mol^(-1)`, respectively.

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The correct Answer is:
`-285.4 kJ "mol"^(-1)`
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