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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 free energies of formation for CO_2and CO are -394.4 and -137.2 kJ "mol"^(-1)respectively. |
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Answer» Solution :`DELTA G^@ = Delta H^@ - T Delta S^@` `Detla G^@ = -257.2 kJ` (SPONTANEOUS) , `Delta H^@ = -285kJ` (exothermic) |
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