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Estimate the free energy change (?Grxn) for the following reaction at 298 K, if each gaseous...

Estimate the free energy change (?Grxn) for the following reaction at 298 K, if each gaseous substance is present at p = 0.55 atm (in kJ).

C2H5OH(l) + 3O2(g) ? 2CO2(g) + 3H2O(l)

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