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Vital Properties of Water

Published byἈντιόπη Γιαννόπουλος Modified over 6 years ago

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

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

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3 Vital Properties of Water
Solvency Cohesion surface tension adhesion

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5 Vital Properties of Water
Solvency Cohesion Thermal stability

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

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

9 NaOH  Na+ + OH- KOH  K+ + OH- H+ + OH-  ? Acids and Bases
Base = proton acceptor NaOH  Na+ + OH- KOH  K+ + OH- H+ + OH-  ?

10 1 [H+] log pH =

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

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

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

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

19 Structural Isomers

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