Search results for "Self-ionization of water" - New World Encyclopedia

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  • html Solar Wind Squeezes Some of Earth's Atmosphere into ... An ion is an atom, group of atoms, or subatomic particle with a net ...
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  • saving device by alerting people to the danger of fire. optical detection or by ionization, but some of them use both detection methods ...
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  • pH is a measure of the acidity and the basicity/alkalinity of a solution ... is dictated by the dissociation constant of water (Kw = 1.011 × 10−14 ...
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  • In chemistry, a base is thought of as a substance which can accept ... Bases have many practical uses, and several of them are commonly found ...
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  • are commonly used in microscopy, in a type of dye laser as the gain medium ... (nm) wavelength, and an emission maximum of 521 nm (in water). It has an ...
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  • symbol Cs, atomic number 55) is a member of the group of chemical elements ... This element has many isotopes, of which the single stable isotope ...
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  • Electrical conductivity or specific conductivity is a measure of a ... Conductivity is the reciprocal (inverse) of electrical resistivity ...
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  • Crown ethers are heterocyclic chemical compounds that consist of a ... within the ring, whereas the exterior of the ring is hydrophobic (repels ...
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  • that is highly resistant to the flow of an electric current. Dielectric ... An important application of dielectrics is to separate the plates ...
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  • that identifies the chemical composition of a compound or sample based ... The design of a mass spectrometer has three essential modules: an ...
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  • on contact with the skin, changes the color of indicators (e.g. reddens blue ... between them exemplify the ubiquitousness of complementary pairs in the ...
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  • The ability of a chemical to behave as both an acid and a base is ... Generally, such a substance acts as an acid in the presence of a base ...
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  • An emulsion is a mixture of two immiscible (unblendable) substances ... Emulsions are part of a more general class of two-phase systems of ...
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  • hydroxide ion concentrations) upon addition of small amounts of acid or base ... analyses, syntheses, and calibration of pH meters. In living organisms ...
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  • The main group elements of the periodic table are groups 1, 2 and ... The alkali metals are the series of elements in Group 1 of the periodic ...
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  • [[Image:Water cycle.png|right|thumb|400px|The movement of water around ... The water cycle, or the hydrologic cycle, is the continuous circulation ...
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  • is being used for the electrolysis of water. It is connected to a ... In chemistry and manufacturing, electrolysis is a method of separating ...
    7 KB (1,039 words) - 04:29, 27 November 2020
  • concentrations above 5.6 percent. A solution of hydrogen cyanide in water is ... used by the Nazi regime for the mass murder of Jews in the gas chambers of ...
    12 KB (1,685 words) - 13:19, 4 February 2023
  • Vapor pressure (or vapour pressure) is the pressure of a vapor in ... is used to mean the partial pressure of water vapor in the atmosphere ...
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  • Uracil is one of the five main nucleobases found in the nucleic acids ... replaces thymine as the usual complement of adenine. Thus, thymine is usually ...
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  • two drainage basins; that is, the ridge of high land or boundary separating ... People live particular watersheds (in the sense of drainage basin ...
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  • "lead") is the skilled trade of working with pipes, tubing ... plumbing fixtures, and equipment such as water heaters. The plumbing industry ...
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  • – Xenon] Thermophysical properties of neon, argon, krypton, and xenon ... This element can be extracted by fractional distillation of liquid ...
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  • In geology, evaporites are water-soluble, mineral sediments that result ... nitrates are important for the manufacture of fertilizers and explosives. ...
    6 KB (841 words) - 07:00, 12 September 2023
  • Boiling is the process of rapidly converting a liquid to its gaseous ... The boiling point of a substance is the temperature at which it can ...
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  • Thales (in Greek: Θαλης) of Miletus (ca. 624 – 546 b.c.e.) ... arbitrary will, tricks, anger, and jealousy of the gods, Thales tried to explain ...
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  • or physical process. Some examples of mixtures are oil, ocean water ... are uniformly spread, so that any amount of the mixture has the same composition ...
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  • In human spaceflight, a life support system is a group of devices ... A crew member of typical size requires a total of approximately 5 ...
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  • tames the Nile River and utilizes the power of the river for a variety of ... The Aswan Dam is a rock fill dam, a type of dam that relies on compacted ...
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  • An aqueduct is an artificial channel that is constructed to convey ... Aqueducts have been built to supply water to large cities and to irrigate ...
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  • A drought is an extended period of months or years when a region notes ... Drought is a normal, recurring feature of the climate in most parts ...
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  • An estuary is a semi-enclosed coastal body of water where freshwater ... means "tide" or "boiling (of the sea)." ...
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  • pressure exerted by the atmosphere by using water, air, or mercury. From the ... This concept of "decreasing atmospheric pressure predicts stormy ...
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  • Gas is one of the four major states or phases of matter, along with ... Gas exists in the middle of a heating continuum in which heating the ...
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  • contain fossils and often form reservoirs of petroleum and other hydrocarbons ... is called fissility. Non-fissile rocks of similar composition but made ...
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  • that is directly involved in the promotion of cancer or in the facilitation ... Common examples of carcinogens are tobacco smoke, inhaled asbestos ...
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  • deposited by a river or other running water. Alluvium is typically made ... A river continually picks up and drops solid particles of rock and ...
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  • the first to measure the average density of the earth using the gravitational ... His mother was Lady Anne Gray, daughter of the Duke of Kent and his father ...
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  • The Arabian Sea is located in the northwestern part of the Indian ... The Sea provides an important link between the neighboring areas of ...
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  • It contains 21 percent nitrogen in the form of ammonium ions and 24 percent ... Ammonium sulfate is a salt of ammonia and sulfuric acid, and its chemical ...
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  • liquids or gases) in a mixture with the help of a medium that is called a filter ... to remove harmful substances from air or water, such as to reduce air pollution ...
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  • some eukaryotic cells that serve a variety of secretory, excretory, and storage ... where they can occupy up to ninety percent of the cell volume and function ...
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  • iron or its alloys corrode in the presence of oxygen and water. It is a mixture ... == Overview of rusting == Iron is found naturally as iron oxide in ...
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  • Copepods are a group of generally minute aquatic crustaceans found ... Ironically, this tiny organism's presence in public tap water ...
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  • Environmental engineering is the application of science and engineering ... incorporates elements from a wide range of disciplines, including chemistry ...
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  • In vascular plants, the root is that organ of a plant body that typically ... rhizome grows horizontally below the surface of the soil, but it differs from ...
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  • is an ester derived from the combination of ethanol and acetic acid. Its ... removers. It is also useful in the process of decaffeination of coffee and ...
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  • The Southern Ocean, also known as the Antarctic Ocean, is a large ... The Southern Ocean lies in the farthest edge of the Southern Hemisphere ...
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  • Civil engineering is a broad field of engineering covering many specialties ... the planning, construction, and maintenance of power plants, bridges, roads ...
    12 KB (1,647 words) - 22:27, 10 December 2023
  • Rain is a form of precipitation—other forms of which include snow ... cycle again. There is also a small amount of water vapor that respires from ...
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  • Nephron is the basic structural and functional unit of the vertebrate ... nutrients. For example, in the presence of antidiuretic hormone (ADH or ...
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  • A vacuum is a volume of space that is essentially empty of matter ... The quality of a vacuum is measured by how closely it approaches a ...
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  • Food chemistry is the study of chemical processes and interactions ... ==Brief history of food chemistry== The history of food chemistry dates ...
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  • Newts (also called efts when terrestrial) are an informal grouping ... and Mertensiella, while newts include all of the more than ten remaining ...
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  • In chemistry, an amide is one of two kinds of compounds: ... * a particular kind of nitrogen anion. Amides are the most stable of ...
    10 KB (1,423 words) - 06:58, 25 July 2023
  • oxygen-containing compounds. The double-bond of the carbonyl group distinguishes ... are called α-hydrogens. In the presence of an acid catalyst the ketone ...
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  • Environmental science is the study of interactions among the physical ... Environmental scientists monitor the quality of the environment (air ...
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  • surrounding pressure to allow the frozen water in the material to sublime ... The process of freeze-drying is valuable for a variety of applications ...
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  • A hydrocarbon is any chemical compound that is constituted of just ... They are currently the main source of the world’s electric energy ...
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  • The Victoria Falls, one of the world's "natural wonders ... considered a remarkable spectacle because of the peculiar, narrow, slot ...
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  • Lake Ladoga, located in the northwestern part of Russia, is the largest ... In total, Lake Ladoga covers an area of 6,700 fresh water square miles ...
    10 KB (1,501 words) - 23:18, 21 October 2022
  • The Euphrates River is the western of the two great rivers that define ... They form a great river system, an alluvial salt marsh ecoregion of ...
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  • :This article is about a type of container. [[Image:Barrels2.jpg|thumbnail ... A barrel or cask is a hollow cylindrical container, traditionally ...
    10 KB (1,477 words) - 10:53, 20 September 2023
  • Greenhouse gases (GHGs) is the name given to a number of gases present ... The most important greenhouse gas is water vapor which creates clouds ...
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  • Silica gel is a granular, porous form of silica, produced synthetically ... fungicides, or pesticides), packets of silica gel usually bear warnings ...
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  • Brass is the term used for alloys of copper and zinc. It has a yellow ... By comparison, bronze is principally an alloy of copper and tin. ...
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  • Polyester is the name for a class of polymers that contain the ester ... resins that are widely used in the bodies of automobiles and yachts. ...
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  • permanently alters the protein structure of the skin, preventing it from ... Once tanned, the leather becomes useful for a variety of products ...
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  • An acid dye is a type of dye that is applied from an acidic solution ... overlap and generally depend on the type of fiber to be colored and the ...
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  • Desalination (or desalinization or desalinisation) refers to any of ... but this article focuses on water desalination. Water is desalinated ...
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  • Drying is the process of using heat to remove a liquid (such as water ... The process of drying can be undertaken by various methods for a variety ...
    10 KB (1,629 words) - 22:34, 19 August 2020
  • A sedimentary rock is one of the three main rock groups, the other ... Sedimentary rocks make up a relatively thin layer of rock that covers ...
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  • , a German physicist who did most of his work in the Netherlands ... On the Fahrenheit scale, the freezing point of water is 32 degrees ...
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  • Nuclear fission is the splitting of the nucleus of an atom into parts ... for nuclear power and to drive the explosion of nuclear weapons. Both uses ...
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  • current. Most electrolytes consist of ions in solution, and they ... All higher life forms require a complex balance of electrolytes inside ...
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  • Greek pre-Socratic philosopher and a citizen of Agrigentum, a Greek colony ... Empedocles conceived the ultimate reality as the unity of four permanent ...
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  • the construction, maintenance, and repair of ships, boats, and other watercraft ... According to the ancient Greek author Athenaeus of Naucratis, the ...
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  • produced by humans, typically consisting of washing water, urine, feces ... from Vulgar Latin exaquare ("to remove water"), from Latin ex- ‘out ...
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  • Cheonmin, King Sejong's new policy of breaking class barriers allowed ... Twenty-first century Koreans are justifiably proud of Jang's ...
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  • to North America, and introduced in parts of Europe, Asia, and South America ... The muskrat plays an important role in nature and is a resource of ...
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  • Carbonic acid (ancient name acid of air or aerial acid) is a weak ... The presence of carbonic acid in the blood and other body fluids helps ...
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  • the only person to set both land and water speed records in the same ... He was made a Commander of the British Empire in 1955. ==Family== ...
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  • In the most general terms, convection refers to the movement of molecules ... The scientific study of convection not only helps clarify the principles ...
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  • Gosport) was a Scottish doctor and a pioneer of naval hygiene in the Royal ... Through his work, Lind influenced practices of preventive medicine ...
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  • Sediment is any particulate matter that is transported by the flow ... Sediments may be transported by the action of streams, rivers, glaciers ...
    10 KB (1,554 words) - 17:44, 25 January 2023
  • A blueprint is a type of paper-based reproduction usually of a technical ... The photosensitive compound, a solution of ferric ammonium citrate ...
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  • Dredging is an operation to excavate material from the bottom of a ... dredging has been used for mining of gold and other valuable substances ...
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  • A traditional fountain is an arrangement where water issues from a ... One of the most common features of a fountain, if there is enough ...
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  • :In British English, “geyser” can also refer to the water heating ... A geyser is a type of hot spring that erupts periodically, ejecting ...
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  • Weathering is the process of disintegration of rocks and soils and ... There are two main types of weathering: mechanical (or physical) and ...
    18 KB (2,677 words) - 22:02, 11 June 2020
  • Embryophyta is a major grouping of plants, sometimes known as "land ... Embryophytes are characterized by an alternation of generations life ...
    11 KB (1,564 words) - 10:22, 21 January 2023
  • Anhinga is the common name for members of the bird species Anhinga ... For humans, they add greatly to the wonder of nature, with their beautiful ...
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  • sense, it is a generic term for various water-soluble potassium salts that ... Potash has been used since antiquity in the manufacture of glass, ...
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  • the most popular term for the shapeshifting water spirits of Germanic and Nordic ... The Nix may take different forms, but their message is one of warning ...
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  • A marine mammal is any of a diverse group of aquatic or semi-aquatic ... vulnerable or endangered due to a history of commercial exploitation for ...
    9 KB (1,370 words) - 15:58, 6 November 2022
  • Hemiptera is a major order of insects, collectively known as true ... Hemipterans are vitally important as part of food chains, being consumed ...
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  • and one or two tails. The main body of the comet, called its nucleus ... opportunity to study the early history of the solar system. In addition ...
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  • Pluma de colibrí) was the second tlatoani of the Mexica (Aztecs), governing ... Huitzilíhuitl was born in Tenochtitlan, and was the son of Acamapichtli ...
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  • allows the remote measurement and reporting of information of interest to ... yields depend on the timely availability of weather and soil data. Therefore ...
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  • perpendicular to that surface) per unit area of the surface. If the force is ... Our understanding of the concept of pressure and our ability to manipulate ...
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