Petroleum Articles

• Organic Chemistry
  Biochemistry
  Chemistry
  Sports Science
  Inorganic Chemistry
  Nature of Water
   
  

  Hydrochloric acid

  The chemical substance hydrochloric acid is the aqueous (water-based) solution of hydrogen chloride (HCl) gas. It is a strong acid, the major component of gastric acid and of wide industrial use. As ... > more
• Earth Science
  Geology
  Earthquakes
  Environmental Issues
  Climate
  Oceanography
   
  

  Earth science

  Many scientists are now starting to use an approach known as Earth system science which treats the entire Earth as a system in its own right, which evolves as a result of positive and negative ... > more
• Chemistry
  Sports Science
  Inorganic Chemistry
  Weapons Technology
  Nature of Water
  Nuclear Energy
   
  

  Xenon

  Xenon is a chemical element in the periodic table that has the symbol Xe and atomic number 54. A colorless, very heavy, odorless noble gas, xenon occurs in the earth's atmosphere in trace amounts and ... > more
• Detectors
  Healthy Aging
  Attention Deficit Disorder
  Sports Science
  Sports Medicine
  Nature of Water
   
  

  Radon

  Radon is a chemical element in the periodic table that has the symbol Rn and atomic number 86. A radioactive noble gas that is formed by the disintegration of radium, radon is one of the heaviest ... > more
• Wildfires
  Natural Disasters
  Earthquakes
  Construction
  Civil Engineering
  Oil Spills
   
  

  Firestorm

  A firestorm is a conflagration which attains such intensity that it creates and sustains its own wind system. A firestorm is created as a result of the "chimney effect" as the heat of the original ... > more
• Sports Science
  Organic Chemistry
  Graphene
  Electronics
  Materials Science
  Nature of Water
   
  

  Steel

  Steel is a metal alloy whose major component is iron, with carbon being the primary alloying material. Varying the amount of carbon and its distribution in the alloy controls qualities such as the ... > more
• Nature of Water
  Thermodynamics
  Sports Science
  Chemistry
  Inorganic Chemistry
  Physics
   
  

  Pressure

  Pressure (symbol: p) is the force per unit area acting on a surface in a direction perpendicular to that surface. Pressure is transmitted to solid boundaries or across arbitrary sections of fluid ... > more
• Chemistry
  Inorganic Chemistry
  Nature of Water
  Sports Science
  Organic Chemistry
  Petroleum
   
  

  Argon

  Argon is a chemical element in the periodic table. It has the symbol Ar and atomic number 18. The third noble gas, in group 18, argon makes up about 1% of the Earth's atmosphere, making it the most ... > more
• Volcanoes
  Natural Disasters
  Sports Science
  Geology
  Global Warming
  Early Climate
   
  

  Volcano

  A volcano is an opening (or rupture) in the Earth's surface or crust, which allows hot, molten rock, ash, and gases to escape from deep below the surface. Volcanic activity involving the extrusion of ... > more
• Nature of Water
  Inorganic Chemistry
  Chemistry
  Sports Science
  Physics
  Thermodynamics
   
  

  Friction

  Friction is the force that opposes the relative motion or tendency of such motion of two surfaces in contact. It is also the contact of two objects creating static electricity. It is not, however, a ... > more

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