Petroleum Articles

• Batteries
  Electricity
  Energy and the Environment
  Energy Technology
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  Battery electric vehicle

  A battery electric vehicle (BEV) is an electric vehicle that utilises chemical energy that is stored in rechargeable battery packs. Electric vehicles use electric motors instead of, or in addition ... > more
• Geology
  Nature of Water
  Sports Science
  Atmosphere
  Floods
  Water
   
  

  Sedimentary rock

  Sedimentary rock is one of the three main rock groups (along with igneous and metamorphic rocks) and is formed in four main ways: by the deposition of the weathered remains of other rocks (known as ... > more
• Petroleum
  Chemistry
  Fossil Fuels
  Inorganic Chemistry
  Nature of Water
  Detectors
   
  

  Gas laws

  The gas laws are a set of laws that describe the relationship between thermodynamic temperature (T), pressure (P) and volume (V) of gases. Three of these laws, Boyle's law, Charles's law, and ... > more
• Healthy Aging
  Attention Deficit Disorder
  Organic Chemistry
  Chemistry
  Inorganic Chemistry
  Sports Science
   
  

  Catalysis

  In chemistry and biology, catalysis is the acceleration (increase in rate) of a chemical reaction by means of a substance, called a catalyst, that is itself not consumed by the overall reaction. A ... > more
• Energy Technology
  Nuclear Energy
  Physics
  Petroleum
  Solar Energy
  Thermodynamics
   
  

  Energy

  In general, the word energy refers to a concept that can be paraphrased as "the potential for causing changes", and therefore one can say that energy is the cause of any change. The most common ... > more
• Materials Science
  Inorganic Chemistry
  Chemistry
  Electronics
  Petroleum
  Sports Science
   
  

  Plastic

  Plastic is a term that covers a range of synthetic or semisynthetic polymerization products. They are composed of organic condensation or addition polymers and may contain other substances to improve ... > more
• Organic Chemistry
  Chemistry
  Sports Science
  Nature of Water
  Inorganic Chemistry
  Biochemistry
   
  

  Sulfur

  Sulfur or sulphur is the chemical element in the periodic table that has the symbol S and atomic number 16. It is an abundant, tasteless, odorless, multivalent non-metal. Sulfur, in its native form, ... > more
• Air Quality
  Organic Chemistry
  Global Warming
  Healthy Aging
  Forest
  Geochemistry
   
  

  Carbon monoxide

  Carbon monoxide, with the chemical formula CO, is a colourless, odourless and tasteless gas. It is the product of the incomplete combustion of carbon-containing compounds, notably in ... > more
• Nature of Water
  Thermodynamics
  Chemistry
  Graphene
  Sports Science
  Inorganic Chemistry
   

  Boiling point

  The boiling point of a substance is the temperature at which it can change its state from a liquid to a gas throughout the bulk of the liquid. A liquid may change to a gas at temperatures below the ... > more
• Nature of Water
  Sports Science
  Physics
  Chemistry
  Nuclear Energy
  Inorganic Chemistry
   
  

  Density

  Density is a measure of mass per unit of volume. Density is a measure of mass per volume. The average density of an object equals its total mass divided by its total volume. An object made from a ... > more

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