Ch 3 Water and Life Flashcards
Water molecules stick together resulting in
Cohesion
property of water
How does water moderate temperature?
High specific heat
property of water
High specific heat allows water to …
absorb and release heat without much change in its own temperature
Hydrogen bonds:
____ bonds to absorb heat
Break
Hydrogen bonds:
___ bonds to release heat
Form
Why does ice float?
Less dense than liquid water
Water dissolves ionic compounds:
Water “hydrates” ions and creates a ____
hydration shell
Substance that can interact with water
Can H-bond
Hydrophilic
Substance that can’t interact with water
Can’t H-bond
Hydrophobic
Hydrophilic or Hydrophobic:
O and N
Hydrophilic
Hydrophilic or Hydrophobic:
C and H
Hydrophobic
Hydrophilic or Hydrophobic:
Ions and Polar Molecules
Hydrophilic
Hydrophilic or Hydrophobic:
Lipids
Hydrophobic
The point at which there is no net change in the concentration of reactants and products
Equilibrium
Substances that increase the H+ concentration
Acids
