overclock water cool

A compound of hydrogen and the oxygen that the water (I do not look) is expressed in chemical formula H2O for chemistry.

In English or French, the names such as water, eau are constant regardless of temperature (if it is liquid).
But, in the Japanese, even the same liquid changes a name by temperature and calls it and distributes it.
In the Japanese, temperature calls the thing of low temperature and the normal temperature "water", but says that temperature becomes higher with hot water.

In water, a thing to offer for drinking in particular is called drinking water. water

It is described with "colorless transparence" in the everyday life.
Or water (but I am wrong for a physical close description.) which water is nominated for incarnation of the colorless transparence, and water is often used for as its symbol
Later description).

If I expand the concept of "the water" for natural science and assume "H2O" and all the things which I can express "the water" of the wide sense in a chemical formula, as for the ice, the liquid, as for the water, the gas, water steaming is to be going solid it in water (so-called Japanese).
The water is tasteless and is unscented, and to be normal temperature ordinary pressure is liquid of the transparence to extremely slightly present bluish green.
The water was ever used as 1kg and a standard of the units of 1cal.
（→A # physical property）
Chemically speaking, it is expressed in chemical formula H2O, and the oxygen atom is tied to a hydrogen atom by covalent bond.
（→# chemical property）There is it in the earth surface, the ocean in particular abundantly.
Including the survival of the creature, everyday life, I am indispensable for industry or medical care, and it is the material which is the most imminent for the human.
It is water imminent in this way, but there is little quantity that there is as liquid water judging from the whole space.
（→Distribution of the # water）For all known living entities, the water is an indispensable material.
It is water to occupy most with a material constituting a straight object most.
It is most materials, and it is used as a medium of the metabolism in the cell in a nucleus and cytoplasm.
I make it mass, and 70% 80% of the straight object are usually held by water.
As for the human body, around 70% are water from 60%.
（→A # creature and water）About 70% of the consumption of the water of the modern human are agriculture water.
I become a restroom, a bath, the cooking when I arrange consumption of the water at the home of modern Tokyo in much order.
（→Use of the # water）Thales assumed "the archaea of all things water" in the ancient Greece, and Empedokles nominated water for one of four elements.
The transparent liquid which is slightly bluish green under normal temperature, atmospheric pressure.
As for the boiling point under the atmospheric pressure by one normal atmospheric pressure, 99.9839 degrees Celsius, the melting point are 0 degrees Celsius.
However, under the environment becoming the excessive cooling state, there is the steam equal to or less than 99.9839 degrees Celsius in the water equal to or less than 0 degrees Celsius.
3.98 Density is the biggest at time of ° C, and the solid has a smaller density than liquid (in atmospheric pressure, density of the ice is usually 0.9168).
Therefore the ice which is a solid floats in the liquid water and melts when I pressure ice.
This is a characteristic of the water unlike many other molecules, and snow crystal structure depends on being a thing of a bulkiness potato by the hydrogen bond at the water molecule interval.
It is 10 in the liquid state(mol/dm) (25 degrees Celsius) But, I ionize and become a hydrogen ion (precisely, oxonium ion) and the hydroxyl ion.

Generally there are many cases called colorless transparence, but actually the infrared absorption spectrum of the water molecule pulls the foot in the visible domain and presents extremely a little bluish green by slightly absorbing red light.
It is this purpose water making a thick layer such as the seas and that huge ice is blue.

Because I was person that I was very handy and was important, the water played an important role as a standard of the units in life.
For example, the reason was because it defined the scale of the centigrade as a standard at a melting temperature of the ice and the boiling temperature of hot water that a melting point and the boiling point of the water were the good values of the paulownia of 0 degrees Celsius and 100 degrees Celsius, and the definition of 1g (a gram) was mass of the water of 1cm at the age of 4 degrees Celsius, and it was the heat capacity that it was necessary though the definition of 1cal (a calorie) gave water of 1g 1 degree Celsius (difference of temperature of 1K).

However, as for the definition of the current mass, it is it in the standard of the failing to put first things first to assume an international standardized kilogram weight made in 1870's 1kg because water of the high purity, a highly precise volume, pressure, temperature will be demanded necessarily if I demand high precision from water as a standard of the mass, and it is difficult technically both, and these are troublesome (I refer to a kilogram).
On this account mass of the water of 1cm at the age of 4 degrees Celsius was not 0.999972g neighbor, original 1g now.
In addition, specific gravity completely accorded with density (g/cm) conventionally, but did not agree after this definition.

A calorie was replaced with J (J) in the late years, and, for a standard established with this purpose water, it was it only in unit K (a kelvin) of the thermodynamics temperature I did the thermodynamics temperature of the triple point of the water which I could demand uniformally 1/273.16 times, and to be provided.

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