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11 Facts About Properties of Water

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Water is a polar inorganic compound that is at room temperature a tasteless and odorless liquid, nearly colorless with a hint of blue.

An odor or odour or fragrance is caused by one or more volatilized chemical compounds, generally at a very low concentration, that humans or other animals perceive by the sense of olfaction.

While relatively small quantities of water appear to be colorless, water's tint becomes a deeper blue as the thickness of the observed sample increases.

In chemistry, polarity is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole or multipole moment.

Properties of Water by Amoeba Sisters

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The simplest hydrogen chalcogenide, it is by far the most studied chemical compound and is described as the "universal solvent" for its ability to dissolve many substances.

Hydrogen chalcogenides are binary compounds of hydrogen with chalcogen atoms.

Hydrogen is a chemical element with chemical symbol H and atomic number 1.

A solvent is a substance that dissolves a solute, resulting in a solution.

The Properties of Water by Richard Kern

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This allows it to be the "solvent of life".

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It is the only common substance to exist as a solid, liquid, and gas in nature.

Water vapor, water vapour or aqueous vapor, is the gaseous phase of water.

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Water molecules form hydrogen bonds with each other and are strongly polar.

A hydrogen bond is the electrostatic attraction between two polar groups that occurs when a hydrogen atom covalently bond to a highly electronegative atom such as nitrogen or oxygen experiences the electrostatic field of another highly electronegative atom nearby.

A molecule is an electrically neutral group of two or more atoms held together by chemical bonds.

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This polarity allows it to separate ions in salts and strongly bond to other polar substances such as alcohols and acids, thus dissolving them.

Common salt is a mineral composed primarily of sodium chloride, a chemical compound belonging to the larger class of salts; salt in its natural form as a crystalline mineral is known as rock salt or halite.

An ion is an atom or a molecule in which the total number of electrons is not equal to the total number of protons, giving the atom or molecule a net positive or negative electrical charge.

An acid is a molecule or ion capable of donating a hydron, or, alternatively, capable of forming a covalent bond with an electron pair.

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Its hydrogen bonding causes its many unique properties, such as having a solid form less dense than its liquid form, a relatively high boiling point of 100 °C for its molar mass, and a high heat capacity.

The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes into a vapor.

Heat capacity or thermal capacity is a measurable physical quantity equal to the ratio of the heat added to an object to the resulting temperature change.

In chemistry, the molar mass M is a physical property defined as the mass of a given substance divided by the amount of substance.

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Water is amphoteric, meaning it is both an acid and a base—it produces H+ and OH− ions by self ionization.

In chemistry, bases are substances that, in aqueous solution, are slippery to the touch, taste astringent, change the color of indicators, react with acids to form salts, promote certain chemical reactions, accept protons from any proton donor, and/or contain completely or partially displaceable OH− ions.

The self-ionization of water is an ionization reaction in pure water or an aqueous solution, in which a water molecule, H2O, deprotonates to become a hydroxide ion, OH−.

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This regulates the concentrations of H+ and OH− ions in water.

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Because water is a very good solvent, water is rarely pure and some of the properties of impure water can vary from those of the pure substance.

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However, there are also many compounds that are essentially, if not completely, insoluble in water, such as fats, oils and other nonpolar substances.

An oil is any neutral, nonpolar chemical substance that is a viscous liquid at ambient temperatures and is both hydrophobic and lipophilic.

This article talks about the melting and freezing point depression due to mixtures of compounds.

This page provides supplementary data to the article properties of water.

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