what are the 9 characteristics of water?

Answer 1

Pressure: Atmospheric pressure at 1,01325 bar, i.e. normal atmospheric pressure on the sea level at 0°C.
Density: Ratio of the mass of water (kg) occupied in a volume of 1 m3.
Specific enthalpy: Sensible Heat, it is the quantity of heat contained in 1 kg of water according to the selected temperature.
Specific heat: Quantity of heat necessary to increase the temperature of a 1° Celsius per unit of mass of 1 kg of water.
Volume heat capacity: Quantity of heat necessary to increase the temperature of a 1° Celsius on a unit of volume of 1 m3 of water.
Dynamic viscosity: The viscosity of a fluid characterizes the resistance to the movement of the fluid.

I found only 6 physical charecertistics...

Answer 2

the hydrogens bond well causing water to stick to other water. this is essential for plants as it allows water to go up the plant, to the leaves in a steady stream and requires NO energy. Remember that ALL energy on earth for animals comes from the sun through plants (so plants need water)

Its the universal sovent, in other words many things can dissolve in water, such as minerals vitamins in our blood. All animals use water as this transport mediu.

water can hold heat wel, meaning its temperature stays fairly constant. This is vital for animals to survive in a changing environment.

it is LESS dense as a solid, meaning ice floats. If ice didnt float, there woud be massive floodings across the world every year due to the freezing, thaawing at poles. Also allows fish etc to live under ice.

its transparent, which is obviously essential for fish to see other fish to eat - imagine if it wasnt for a second. the sea woud undoubtedly be a lot less rich of animals (but maybe fish would use sonar instead)

high surface tension, so animals can live, float on top of it

its polar, the hydrgen has a positive charge, oxygen a negative - so they can bond well



erm.................. i need a poo

basicly no water would mean no life.

Answer 3

There are physical, biological, and chemical. characteristics.

1. The physical characteristics of water are perhaps the oldest set of factors that people have used to assess water quality. For the most part, these features can be crudely evaluated simply by using our five senses, although special instruments are used to accurately measure them. The five most commonly considered physical characteristics are temperature, taste, colour, odour and turbidity.

2. The biological characteristics of a water body refer to a variety of living organisms that can be found in water. These include microscopic viruses, bacteria and protozoans; as well as phytoplankton (microscopic algae), zooplankton (tiny water animals), insects, worms, large plants and fish. Of significance to humans is that disease-causing viruses and bacteria can be present and transported in water. Many of these pathogens can enter the water system in sewage (human and animal waste).

3. The chemical characteristics of water are numerous. Every substance that dissolves in water can be called a chemical water quality characteristic. This would include gases (like oxygen and carbon dioxide), salts, substances that stimulate plant growth (such as nitrates and phosphorus) and other naturally occurring and man-made substances. Some naturally occurring chemicals such as iron and manganese which are often present in groundwater, can be responsible for staining clothes and plumbing fixtures. Other chemicals, such as Dioxins and Furans are tested in specific sites where their presence is known to occur. There are hundreds of other chemicals that might be tested or monitored, but only a few are done routinely because of the cost and effort involved in such testing.

The amount of dissolved oxygen (DO) available in water is a very important factor in determining the types of organisms that can survive. Trout, for example, cannot survive if the dissolved oxygen concentrations are less than 5.5 milligrams/litre. Dissolved oxygen is one of the most standard water chemistry tests. Other common tests include determining pH and phosphorous values.

Answer 4

Some more properties:


very high specific latent heat of vapourisation - means evaporation requires large amount of heat: so sweating is a great way to remove heat from body

density inversion in liquid phase as it cools - water between 0C and 4C is less dense than water at 4C. Water just about to freeze rises to top of container (or sea).

negative thermal expansion coefficient - freezing water breaks pipes

Answer 5

Chemical and physical properties
.1 Cohesion and adhesion
.1.1 Adhesion
1.2 Surface tension
.1.3 Capillary action
.2 Solvation
.3 Electrical conductivity
.4 Deuterated compounds of water
.5 Water, ice, and vapor
.5.1 Heat capacity and heat of vaporization
.5.2 Freezing point
5.3 Triple point
.5.4 Miscibility and condensation

Answer 6

Its wet
Its a universal solvent
Its made up of oxygen and hydrogen
It has the stronger hydrogen bonding
Its boiling point is 100'C
It is the only substance which occurs in all the three states of matter naturally
It is neutral
It is the most used substance in the world
Its freezing point is 0'C

Answer 7

-its shape changes in every different container...,
-doesnt have definite volume....
-one of the most abundant thing on earth...
-always flow from a higher level to lower one...
-can be found in the 3 forms in ordinary room temperature, that is gas, liquid, and solid
-the general boiling point is 100 degree and its freezing point is 0 degree celcius
-one of the essential essence that is needed by the living things to survive
-i forgot the rest =)

Answer 8

To what Suzzie provided you could add the following.:

For boiling water - Absolute pressure of vaporization.

For saturated steam (steam is still water) - Boiling point, heat capacity, and latent heat.

Answer 9

Most importantly its incompressible. Imaging if like other fluids it froze when compressed. The bottom of the ocean would freeze. similarly its less dense in its solid state ice,hence ice floats in water.

Answer 10

its a solvent
transparent
boils at 100deg c
freezes at 0 deg c
it expands when frozen

it comprises of 80% of living cells
its polar
it has surface tension
it is connected through hydrogen bonds
in conducts electricity