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For this reaction, Ag^+(Aq)+2NH3(aq) iff...

For this reaction, `Ag^+(Aq)+2NH_3(aq) iff [Ag(NH_3)_2]^+(aq), k = 1.7 xx 10^7` at `25^@C`. What is the value of `DeltaG^@` ?

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