Water and Life Flashcards
Polar covalent bond results in….
differing charges seen at regions of the molecule
Hydrogen bonds result from ….
unequal sharing
With a ____ # of hydrogen bonds the _____ becomes _____
large; strength: additive
The ______ of hydrogen bonds is what is responsible for ______ properties
abundance; water
Hydrogen bonds are ….
transient ( do not persist for long periods of time)
In H2O the oxygen is …
partial negative
In H2O the hydrogens are …
partial positive
The four emergent properties of water are….
1) cohesive behavior
2) ability to moderate temperature
3) Expansion upon freezing
4) Versatility as a solvent
In a solid state water is organized as a …
crystal lattice structure
In a solid state the maximum amount of hydrogen bonds water can form is…
4
In a gaseous state no _____ can form and there is more _____
hydrogen bonds; kinetic energy
In a liquid state for water there is a moderate amount of ____ and ____ hydrogen bonds can be formed
kinetic energy; 3.4
Hydrogen bonds allow for ….
Adhesion
Adhesion is the…
interaction of a water molecule with something else + needs to have a charged region
___ water moving freely allows for _____ to take place
Liquid; cohesion
Cohesion is …
the ability of water to interact with other water which causes them to stick together ( water to interact with each other)
Adhesion + cohesion allow for ______ within plants and is _____ then gravity
directional movement; gravity
Cohesion produces____
surface tension
Surface Tension is….
the measure of how difficult it is to break the surface of the liquid
Surface tension occurs due to the water molecules at the surface being ______ to _______ then other molecules
more attracted; each other
Water can ____ + ____ large amounts of heat with only a _____ to its own temperature
release + absorb; slight change