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Lecture 8 - Esterifcation - Next week Esterification Next...

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Next week: Esterification Next week: Esterification Next lab: Esterification (methyl benzoate) Before next lab period, complete: - Esterification pre-lab quiz - E1 post-lab quiz - E1 post-lab report - Esterification pre-lab report - Tutorials For problems logging into tutorials or with quiz opening issues, please e-mail the Chemistry Learning Center.
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Esterification: Methyl Benzoate C O OH + CH 3 OH H 2 SO 4 C O OCH 3 + H 2 O ___________________ : a small molecule is “condensed” in the process of combining two reactants to form a single product. ___________ : reaction does not go to completion _____ Esterification – [carboxylic acid + alcohol] (cheap) catalyst ________ + __________ _________ + _______ acid alcohol ester water Three ways to classify: Condensation reaction Equilibrium Fisher
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Fisher Esterification Mechanism Fisher Esterification Mechanism
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C O OCH 3 C O OH + CH 3 OH H 2 SO 4 + H 2 O Recover benzoic acid at equilibrium Isolate and purifiy methyl benzoate Measure Equilibrium Constant Measure Equilibrium Constant Part of Methyl Benzoate lab is calculation of K for this reaction.
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