A + B <> C has a molar DSrxn of -19 J/K and a molar DHrxn of 15 kJ. C has a free energy of formation of 10,000 kJ/mole, and B's free energy of formation is -3500 kJ/mole. What is the free energy of formation of A? Assume standard conditions, choose the closest. -7200 kJ/mole -5700 kJ/mole 7200 kJ/mole 5700 kJ/mole -34100 kJ/mole

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