Calculate the standard entropy, AS ixn, of the reaction at 25.0 °C using the table of thermodynamic properties. rxn: 3C₂H₂(g) CH (1) ASixn = Calculate the standard Gibbs free energy of the reaction, AGixn. The standard enthalpy of the reaction, AH rxn, is -633.1 kJ.mol-¹. AGixn = J-K-¹.mol-¹ kJ.mol-¹

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