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Matter organizes into various phases or states of matter depending on its constituents and external factors like pressure and temperature.Except at extreme temperatures and pressures, atoms form the three classical states of matter: solid, liquid and gas.
The three common states of matter. Along with oxidane, water is one of the two official names for the chemical compound H 2 O; [50] it is also the liquid phase of H 2 O. [51] The other two common states of matter of water are the solid phase, ice, and the gaseous phase, water vapor or steam.
[23] 0.23 ppm of the earth's mass is water and 97.39% of the global water volume of 1.38 × 10 9 km 3 is found in the oceans. [84] Water is far more prevalent in the outer Solar System, beyond a point called the frost line, where the Sun's radiation is too weak to vaporize solid and liquid water (as well as other elements and chemical compounds ...
In this state, the distinction between liquid and gas disappears. A supercritical fluid has the physical properties of a gas, but its high density confers solvent properties in some cases, which leads to useful applications. For example, supercritical carbon dioxide is used to extract caffeine in the manufacture of decaffeinated coffee. [3]
Triple points mark conditions at which three different phases can coexist. For example, the water phase diagram has a triple point corresponding to the single temperature and pressure at which solid, liquid, and gaseous water can coexist in a stable equilibrium (273.16 K and a partial vapor pressure of 611.657 Pa).
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). It is an icon of chemistry and is widely used in physics and other sciences.
The Roman water god, Neptune, was almost identical to Poseidon. Water deity; Water (classical element) – One of four primary substances in antiquity; Holy water – Water blessed by a religious figure; Adam's ale – Colloquial allusion to water; Water sports ) List of water sports. Swimming – Water-based sport
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