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Vital Properties of Water

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Presentation on theme: "Vital Properties of Water"— Presentation transcript:

1 Vital Properties of Water
Solvency Solute, solvent, and solution

2 Vital Properties of Water
Solvency hydrophilic  polar hydrophobic  nonpolar

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4 Vital Properties of Water
Solvency Cohesion surface tension adhesion

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7 Vital Properties of Water
Solvency Cohesion Thermal stability

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9 H2O  H+ + OH- Ionization of Water
[H+] & [OH -] is 10-7 M in pure water

10 Acids and Bases Acid = proton donor HCl  H+ + Cl- H2SO4  H+ + HSO4-

11 Acids and Bases Base = proton acceptor NaOH  Na+ + OH- KOH  K+ + OH-

12 1 [H+] log pH =

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14 Buffers Allow solutions to resist changes in pH
HCO3- is a major buffer in nature

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17 Macromolecules Large molecules such as carbs, lipids, proteins, nucleic acids Built as polymers

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19 Functions of Carbohydrates
Supply C atoms for building macromolecules Energy source Energy storage Structural components (plants)

20 hexoses: C6H12O6 can act as monomers and be linked (bonded) together

21 Structural Isomers

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