Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life...

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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
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Transcript of Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life...

Page 1: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

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

Page 2: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

The human body is about 60% by weight water

Page 3: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Electronic structure of the water molecule

Page 4: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

The water molecule is polar

Page 5: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

A hydrogen bond

Page 6: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Structure of ice

Page 7: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Water molecules spontaneously form small hydrogen-bonded clusters

Page 8: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

A water strider supported by the surface tension of water

Page 9: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Relative strengths of bonds in biological molecules

Page 10: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

van der Waals radii

Page 11: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Hydrated solutes

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

Page 12: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Glucose

Page 13: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

A solution of molecules inside a cell

Page 14: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Dodecane

Page 15: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Hydration of a nonpolar molecule

Page 16: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Aggregation of nonpolar molecules in water

Page 17: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Fatty acid palmitate

Page 18: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

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

Page 19: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

A lipid bilayer

Page 20: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Lipid vesicle

Page 21: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

A bilayer prevents the diffusion of polar substances

Page 22: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Ionic composition of intracellular and extracellular fluid

Page 23: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Sweat and exercise

Page 24: Aqueous Chemistry Why should we study aqueous Chemistry? Water is fundamental requirement for life Most biomolecules are surrounded by water Water plays.

Acid-base balance in humans