On Food and Cooking

(Barry) #1

this attraction brings the two molecules closer
to each other and holds them there, it’s called
a hydrogen bond. The molecules in ice and
liquid water are participating in from one to
four hydrogen bonds at any given moment.
However, the motion of the molecules in the
liquid is forceful enough to overcome the
strength of hydrogen bonds and break them:
so the hydrogen bonds in liquid water are
fleeting, and are constantly being formed and
broken.
This natural tendency of water molecules
to form bonds with each other has a number of
effects in life and in the kitchen.


Water molecules. Here are three different
ways of representing a molecule of water,
which is formed from one oxygen and two
hydrogen atoms. Because the oxygen atom

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