Aspirin undergoes the typical reactions of esters. With this in mind, can aspirin be recrystallized using hot water? Is the product isolated a pure aspirin?

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A: Esterification  involve the formation of ester by condensation reaction of alcohol with acid.

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Q: Show the saponification of a solid soap.

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Q: 7. Why the need for a homogenizer?

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Q: lipid

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Q: State the origin and meaning of the following terms. Give a skin care or hair care product example…

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Micelles and Biological Membrane

Micelles are the type of lipid molecules that organize themselves in spherical shape in aqueous solutions. The production of the micelle is a reply to the amphipathic behavior of fatty acids. It means that they consist of both hydrophobic regions and hydrophilic regions. In micelles, polar head groups (hydrophilic groups) produce an outer layer associated with water whereas nonpolar tails (hydrophobic groups) are organized in the interior.