Econ 201 Dr. Popp 10/25/12 Helium Shortage The second element on the periodic table; He‚ also known as helium‚ is a gaseous element that is located somewhere in the sun’s atmosphere and deep underground in some natural gasses (Helium 2012.) Helium can be refined and later stored in tanks to be sold to the market. But where exactly does the helium go after it has been refined? And in what state of matter does Helium sell at the most? It is unknown to many‚ but helium is actually used for more than
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increases to about 10000 c . The reaction is carried out in an argon atmosphere to prevent magnessium and sodium from reacting with oxygen in the air. 3.Another gas used instead of argon. any of the elements in group O of the periodic table including helium ‚neon‚krypton‚xenon‚and radon which are monoatomic and with limited excemptions chemically innert. 4.Why titanium is an expensive metal Titanium is very expensive because it is akward to extract from ore -for example rutile‚TiO2 .You cannot use carbon
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emits an alpha particle it is alpha decay‚ the alpha particle emitted contains two protons and two neutrons which is equivalent to a helium nucleus being released. Alpha decay occurs because there are too many protons‚ which causes excessive repulsion within the nucleus‚ and in an attempt to reduce the repulsion the helium nucleus will be emitted from the atom. The helium nucleus is constantly colliding with the walls of the nucleus and due to its mass and energy it will tunnel out of the nucleus.
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press at all. Helium – an inert‚ odourless‚ monatomic element known to lay people as the substance that makes balloons float and voices squeak when inhaled – could be gone from this planet within a generation. B) Helium itself is not rare; there is actually a plentiful supply of it in the cosmos. In fact‚ 24 per cent of our galaxy’s elemental mass consists of helium‚ which makes it the second most abundant element in our universe. Because of its lightness‚ however‚ most helium vanished from our
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D lines) at 589.0 and 589.6 nm -- any sample that contains sodium (such as table salt) can be easily recognized using this pair of lines. One of the most dramatic triumphs of astrophysical spectroscopy during the 19th century was the discovery of helium. An emission line at 587.6 nm was first observed in the solar corona during the eclipse of August 18‚ 1868‚ although the precise wavelength was difficult to establish at the time (due to the short observation using temporary set-ups of instruments
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obtained by fractional distillation of air. • They are often used aboard chemical tankers and product carriers (smaller vessels). • Helium‚ Neon‚ Argon‚ Krypton‚ Xenon‚ Radon and are inert gases. • Duplet (Helium) or Octet • Full valence shell • • • • Weak interatomic force Very low melting and boiling points. Monatomic gases under standard conditions Helium has several unique qualities when compared with other elements: – Boiling and melting points are lower than those of any other
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Lighter‚ basic and abundant elements like hydrogen and helium were formed during the Big Bang. During Big Bang‚ space expansion cooled the early energy dominated universe and a lot of energy transformed into matter. These basic elements were then able to create the early stars and also the stars of today. Inside of these stars lighter elements fused to release large quantities of energy and in the process of doing that converted hydrogen and helium into heavier elementary particles. Such elements would
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William Ramsay William Ramsay was born on the second of October‚ in the year 1852. William‚ and his parents‚ William and Catherine‚ lived in Glasgow‚ Scotland. William Ramsay performed his work in his native town‚ until 1870 when he went to Tübingen and earned his doctorate in 1872. When returned to Scotland later that year‚ he became an assistant chemist at the Anderson College in Glasgow. Eight years later‚ he was appointed principal and professor of chemistry at London University‚ which
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There are many congressmen in the state of Florida. Our current senators are Bill Nelson and Marco Rubio and there are twenty-seven representatives in Florida. Ron DeSantis‚ who is the representative for the sixth congressional district of Florida‚ is the representative for where I currently live. Bill Nelson‚ the senior United States Senator from Florida‚ has served since 2001 and is a part of the Democratic Party. He attended UF before transferring to Yale‚ and later earned his law degree from
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six noble gases that occur naturally are Helium (He)‚ Neon (Ne)‚ Argon (Ar)‚ Krypton (Kr)‚ Xenon (Xe)‚ and the radioactive Radon (Rn). They are all odorless‚ colorless‚ and are unreactive chemically. Noble gases are found in the atmosphere‚ the risk of a human being exposed is by inhaling; if the gases are not contained and release there is a serious risk of suffocation when confined to a small area. The gases are used in lighting and photography; Helium‚ Neon‚ Argon‚ and Krypton are used in gas
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