Honors Biology - Water

1,108 views

Published on

Published in: Education, Technology, Business
0 Comments
2 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
1,108
On SlideShare
0
From Embeds
0
Number of Embeds
10
Actions
Shares
0
Downloads
21
Comments
0
Likes
2
Embeds 0
No embeds

No notes for slide

Honors Biology - Water

  1. 1. WATER WATER AND THE FITNESS OF THE ENVIRONMENT
  2. 2. OUTLINE Polar Molecule and Hydrogen Bonds Properties of Water Acid and Base
  3. 3. H BONDS
  4. 4. FORMATION OF HYDROGEN BONDS
  5. 5. ALL ABOUT WATER
  6. 6. 1. COHESIVE BEHAVIOR
  7. 7. Surface Tension
  8. 8. 2. MODERATION OF TEMPERATURE
  9. 9. HIGH SPECIFIC HEAT Water = 1 cal/g/ºC Related to bonding: • Heat is absorbed when hydrogen bonds break • Heat is released when hydrogen bonds form High specific heat of water minimizes temperature fluctuations.
  10. 10. HIGH HEAT OF VAPORIZATION Heat a liquid must absorb for 1 g to be converted to gas. Evaporative cooling.
  11. 11. 3. EXPANSION WHEN FROZEN ICE FLOATS
  12. 12. 4. SOLVENT OF LIFE Terms you should know! •Solution •Solvent •Solute
  13. 13. Water dissolves ionic…
  14. 14. …and nonionic polar compounds.
  15. 15. HYDROPHOBIC Scared
  16. 16. HYDROPHILIC Loving
  17. 17. ACIDS AND BASES
  18. 18. POSSIBLE SHIFTS (H+ Ions - Hydrogen) Changes in concentrations can drastically affect the chemistry of a cell
  19. 19. ACID A substance that increases the H+ concentration of a solution. pH values less than 7 [H +] > [OH -]
  20. 20. BASE A substance that reduces the H+ concentration of a solution. pH values greater than 7 [H +] < [OH -]
  21. 21. BUFFERS Minimize changes in concentrations of H+ and OH- in a solution.
  22. 22. IN THE ENVIRONMENT

×