Cream of tartar is a white powder sometimes used in baking. (It's what separates a tangy, chewy snickerdoodle from an ordinary cinnamon-coated sugar cookie. The acid in the cream of tartar gives snickerdoodles their distinctive tangy flavor, and the chew happens because cream of tartar prevents sugar in the cookie dough from crystalizing into crunchiness. Allrecipies.com)  Cream of tartar (KHC4H4O6) is the conjugate base salt of tartaric acid (shown to the right).  The Ka for another similar acid is 8.7×10-3.  What is the standard Gibb's free energy (in kJ/mol) for the dissociation of that other acid?

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Chapter1: Chemical Foundations
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Cream of tartar is a white powder sometimes used in baking. (It's what separates a tangy, chewy snickerdoodle from an ordinary cinnamon-coated sugar cookie. The acid in the cream of tartar gives snickerdoodles their distinctive tangy flavor, and the chew happens because cream of tartar prevents sugar in the cookie dough from crystalizing into crunchiness. Allrecipies.com)  Cream of tartar (KHC4H4O6) is the conjugate base salt of tartaric acid (shown to the right).  The Ka for another similar acid is 8.7×10-3.  What is the standard Gibb's free energy (in kJ/mol) for the dissociation of that other acid?  

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