Explain why hydrophobic molecules aggregate together when placed in water and aqueous buffers.
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Explain why hydrophobic molecules aggregate together when placed in water and aqueous buffers.
Water molecules surrounding hydrophilic molecules have ____________ entropy relative to those surrounding hydrophobic molecules. Hydrophobic molecules (such as lipids) can associate together in an aqueous solution. The dissociation of these molecules (such that they are free in solution) would be thermodynamically ____________. Water molecules surrounding hydrophilic molecules have hydrophobic molecules. Hydrophobic molecules (such as lipids) can associate together in an aqueous solution. The dissociation of these molecules (such that they are free in solution) would be thermodynamically entropy relative to...
Surfacants are molecules with a hydrophillic head group (maybe charged and a hydrophobic (nonpolar) tail. Individually, the hydrophillic head group of a surfactant could interact with water molecules through intermolecular forces and thus decrease the surface tension compared to pure water. At a certain concentration, surfactants in water can aggregate spontaneously to form micelles which has the hydrophillic head groups pointing out towards the water and the nonpolar tails are kept inward toward the micelle center. Explain in 3 sentences...
Explain why ionic attractions are weaker in media with high dielectric constants, e. g., aqueous buffers
3. Nonpolar molecules that repel water molecules are said to be hydrophobic; molecules having ion-dipole interaction or that form a hydrogen bond with water molecules are said to be hydrophilic. For complicated organic compounds, we normally refer to the nonpolar end (with primarily C and H) as the hydrophobic end, and the region with the multiple polar functional groups (i.e., −OH and −NH2) as the hydrophilic end. Please determine the hydrophobic and hydrophilic ends for benzyl alcohol.
IN WATER OR AQUEOUS SOLUTION, MOLECULES ARE MOST READILY REACT WITH EACH OTHER. WHY?
Why does ice float on liquid water? The linear structure of the water molecule allows ice molecules to pack together tightly enough to allowice to float Oxygen's low electronegativity leads to the collapse of the crystal structure allowing the molecules to become closer together in water It is a compound without carbon atoms that exists in the liquid state at room temperature and pressure Water molecules in the solid forme d in a crystal matter that has voids between the...
1. Why do ions like Na+ and Cl- tend to stick together? What kind of bond results from this force? 2. Why do the nuclei of an oxygen atom and two hydrogen atoms remain close together in the structure of a water molecule? What is more stable about a molecule of H2O than three separate atoms of O, H, and H? 3.How is the force holding the water molecule together different from an ionic bond? 4. What makes the covalent...
How does the hydrophobic effect influence protein folding? In an aqueous environment, nonpolar portions of the molecule A) are generally exposed to solvent and interact effectively with water. B) interact with polar portions in the interior of the protein. C) can be placed on the surface of the molecule only if hydrogen bonded to water. D) are found in the interior of the protein, away from water, which preserves the entropy of water in solution.
Explain why sickle hemoglobin (Hb S) molecules would be likely to clump together whereas hemoglobin (Hb A) molecules do not? I want a biochemistry-related explanation. Detailed explanation = thumbs up
Buffers are sometimes called “chemical sponges”. Explain why? Explain why some solutions have buffering capacity and others do not. The lungs and kidneys contribute to pH regulation. Why do you think these are important, when buffer systems minimize pH fluctuations in body fluids?