Water

Biology

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Components of water molecule

1 oxygen atom, 2 hydrogen atoms

Polar water molecule

Water molecules have a negative partial charge at the oxygen end and a positive partial charge at both ends of the hydrogen atom

Specific heat capacity of water

Water has a high specific heat because water is able to absorb large quantities of heat and minimal temperature rise

Adhesive force of water

A force created when water attached to other surfaces

Cohesive force of water

A force created when water molecules that attached to one another

Importance of cohesive and adhesive force of water

Both of these forces produce the capillary action to transport water in a narrow space such as a xylem tube

Universal solvent

A solvent that can dissolve most substances such as water

Organic compounds

Compounds that contain carbon elements such as carbohydrates, proteins, lipids and nucleic acids

Water compound

An inorganic compound as there is no carbon element in the compound

Hydrogen bond

The chemical bonds that decompose as water changes from liquid to water vapour

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