The Unique Properties of Water Flashcards
water molecules
two hydrogen atoms form covalent bonds with an oxygen
polar molecule with opposite ends of the molecule with opposite charges
water
how many hydrogen bonds can each water molecule form?
four
hybrogen bonds give water ___ (less or more) structure than other liquids
more
water’s attraction to other water molecules
Cohesion
water’s attraction to other objects
Adhesion
the tightness across the surface of water caused by the attraction of water molecules
Surface tension
water has a _____(greater or less) surface tension than most liquids because of _____ ______
greater, hydrogen bonds
water’s ability to creep up thin tubes
capillary action
water molecules are “dragged” from the roots to the top of the tree by ___ ____ and ___
capillary action, cohesion
how much heat is needed to raise the temperature of water
Specific Heat
Water has a ____ (high or low) specific heat
high
cells exist in a ______ environment making high the specific heat of water important.
watery
a mixture of 2 things which mix together evenly
Solution
water part of solution
Solvent
what your dissolving
Solute
can dissolve in water
Soluble
cannot dissolve in water
insoluble
can hydrophilic dissolve in water?
yes
can hydrophobic dissolve in water?
no
can non polar disolve in water?
no
_______ and ________ allow water to transport molecules dissolved in it
cohesion, soluability
what is the density formula?
D=M/V
Ice forms on the surface first the freezing of the water releases ____ to the water
heat
