How do the unique chemical and physical properties of water make life on earth possible?

Essay specific features

 

Issue:

Science

 

Written by:

Helen H

 

Date added:

September 18, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

2 / 529

 

Was viewed:

7685 times

 

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Essay content:

Ice is held by its hydrogen bonds in a crystal like structure in which each water molecule is bound together by 4 hydrogen bonds to other water molecules. These bonds are packed less tightly than they are in liquid water, so solid water is less dense than liquid water and therefore floats. This isn't the case in most other liquids...
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These bonds are packed less tightly than they are in liquid water, so solid water is less dense than liquid water and therefore floats. This isn't the case in most other liquids. It's a good thing that ice floats because if it didn't then water would freeze from the bottom up. That would make it impossible for life to exist...
displayed 300 characters

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