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Aqueous Chemistry

Aqueous Chemistry. Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays role in assembling biomolecules Water participates in biochemical processes. The human body is about 60% by weight water.

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Aqueous Chemistry

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  1. Aqueous Chemistry Why should we study aqueous Chemistry? • Water is fundamental requirement for life • Most biomolecules are surrounded by water • Water plays role in assembling biomolecules • Water participates in biochemical processes

  2. The human body is about 60% by weight water

  3. Electronic structure of the water molecule

  4. The water molecule is polar

  5. A hydrogen bond

  6. Structure of ice

  7. Water molecules spontaneously form small hydrogen-bonded clusters

  8. A water strider supported by the surface tension of water

  9. Relative strengths of bonds in biological molecules

  10. van der Waals radii

  11. Hydrated solutes Water dissolved many compounds. Dissolved particle is called SOLUTE. Solute ion surrounded by water is called SOLVATED or HYDRATED

  12. Glucose

  13. A solution of molecules inside a cell

  14. Dodecane

  15. Hydration of a nonpolar molecule

  16. Aggregation of nonpolar molecules in water

  17. Fatty acid palmitate

  18. A micelle formed by amphiphilic molecules The hydrophobic tails of the molecules aggregate,out of contact with water due to hydrophobic effect. The polar head groups are exposed and can interact with the solvent due to hydrophilic effect

  19. A lipid bilayer

  20. Lipid vesicle

  21. A bilayer prevents the diffusion of polar substances

  22. Ionic composition of intracellular and extracellular fluid

  23. Sweat and exercise

  24. Acid-base balance in humans

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