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  2. Triple point - Wikipedia

    en.wikipedia.org/wiki/Triple_point

    The term "triple point" was coined in 1873 by James Thomson, brother of Lord Kelvin. [2] The triple points of several substances are used to define points in the ITS-90 international temperature scale, ranging from the triple point of hydrogen (13.8033 K) to the triple point of water (273.16 K, 0.01 °C, or 32.018 °F).

  3. Sulfur - Wikipedia

    en.wikipedia.org/wiki/Sulfur

    Lakes of molten sulfur up to about 200 m (660 ft) in diameter have been found on the sea floor, associated with submarine volcanoes, at depths where the boiling point of water is higher than the melting point of sulfur. [44] Native sulfur is synthesized by anaerobic bacteria acting on sulfate minerals such as gypsum in salt domes.

  4. Sulfur water - Wikipedia

    en.wikipedia.org/wiki/Sulfur_water

    Sulfur water is made out of dissolved minerals that contain sulfate. These include baryte (BaSO 4), epsomite (MgSO 4 7H 2 O) and gypsum (CaSO 4 2H 2 0). [1] It is reported that a notable change in taste to the water is found dependent upon the type of sulfate affecting the water.

  5. Properties of water - Wikipedia

    en.wikipedia.org/wiki/Properties_of_water

    The temperature and pressure at which ordinary solid, liquid, and gaseous water coexist in equilibrium is a triple point of water. Since 1954, this point had been used to define the base unit of temperature, the kelvin, [45] [46] but, starting in 2019, the kelvin is now defined using the Boltzmann constant, rather than the triple point of water ...

  6. Sulfur cycle - Wikipedia

    en.wikipedia.org/wiki/Sulfur_cycle

    Sulfur can be found under several oxidation states in nature, mainly −2, −1, 0, +2 (apparent), +2.5 (apparent), +4, and +6. When two sulfur atoms are present in the same polyatomic oxyanion in an asymmetrical situation, i.e, each bound to different groups as in thiosulfate, the oxidation state calculated from the known oxidation state of accompanying atoms (H = +1, and O = −2) can be an ...

  7. Is sparkling water just as hydrating as still? Dietitians ...

    www.aol.com/sparkling-water-just-hydrating-still...

    Yes, research shows sparking water is just as hydrating as still water, the experts say. "Both contain the same base of H2O, which is water, the essential element for hydration," says Derocha.

  8. Frasch process - Wikipedia

    en.wikipedia.org/wiki/Frasch_process

    Sulfur (m.p. 115 °C) melts and flows into the middle tube. Water pressure alone is unable to force the sulfur into the surface due to the molten sulfur's greater density, so hot air is introduced via the innermost tube to froth the sulfur, making it less dense, and pushing it to the surface. [1] The sulfur obtained can be very pure (99.7 - 99.8%).

  9. Marine biogeochemical cycles - Wikipedia

    en.wikipedia.org/wiki/Marine_biogeochemical_cycles

    Water is the medium of the oceans, the medium which carries all the substances and elements involved in the marine biogeochemical cycles. Water as found in nature almost always includes dissolved substances, so water has been described as the "universal solvent" for its ability to dissolve so many substances.