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standard Gibbs energy of formation of phenol at 298 K. 2. The change in the Gibbs energy for a certain constant pressure process was found to fi expression ΔG =-85.40 + 36.5 T. AG is in Joules and T is in Kelvin. Calculate the value of AS for this process. 3. The fugacity coefficient of a certain gas at 200 K and 50 bar is 0.72. Calculate the difference fits chemical notential from that of a nerfect gas in the same state.

The change in the Gibbs energy of a certain constant-pressure process was found to fit the expression Delta G / J = -85.40 + 36.5(T / K). Calculate the value of Delta S for the process. Express final and initial entropy in terms of Gibbs energy and rearrange the equation in terms of Delta G.