63. Use standard free energies of formation to calculate AGºat 25 °C for each reaction in Problem 61. How do the values of AGⓇ calculated this way compare to those calculated from AHⓇ and AS"? Which of the two methods could be used to determine how AGº changes with temperature?

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how do the values of delta G compare to those calculated from delta H and delta S? which of these two methods could be used to determine how delta G changes with temp?

The following data compare the standard enthalpies and free energies of formation of some crystalline ionic substances and aqueous solutions of the substances:

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