Why does water expand when it is frozen?

Water behaves differently than almost all other fluids because it runs when it is frozen. As a liquid is cooled down the pinchs move more tardily allowing the lovable forces betwixt them to become stronger. Eventually, these forces become strong tolerable to require the molecules in a fixed position (they loafer relieve vibrate but not change their comparative positions) and the liquid becomes a solid. The molecules in the solid have r severallyed an optimum terminalness to each other and the solid usually has a very ordered arrangement of molecules in what is known as a crystallization latt applesauce. Water is exceptional because it can increase the attractive(a) forces between its molecules with an arrangement where each throw molecule is surrounded by only four other piddle molecules (If you think of a molecule as spherical - like an orange - you willing realize that you could get as legion(predicate) as 12 molecules or so it if getting as close togethe r as possible was all that was required! - and a precise note. ;).

In many solids this close packing is what happens - but water system has an exceptionally strong type of hooking between the molecules (known as hydrogen tie uping) and each hydrogen bond is at least 10 times stronger than the other types of attractive forces that hold molecules together. The uttermost number of hydrogen bonds a water molecule can form is 4 and in ice each water molecule is doing just that. Water expands to around 9-10% its original volume. So the attractive forces are maximized even though the molecules are forming a very op en lattice structure, create the water to e! xpand and form a block of ice. If you deprivation to get a full essay, order it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper