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Chemical Formulae

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Some of the more common chemical formulae.

51 facts:

Al2O3
   is   
Aluminium Oxide
Corundum is the most common naturally-occurring crystalline form of aluminium oxide. Much less-common rubies and sapphires are gem-quality forms of corundum with their characteristic colors due to trace impurities in the corundum structure.
B(OH)3
   is   
Boric Acid
It is a weak acid often used as an antiseptic, insecticide (eg. antkiller), flame retardant and in nuclear power plants to control the fission rate of uranium. Also known as boracic acid or orthoboric acid or Acidum Boricum.
C2H4O2
   is   
Acetic Acid
An organic chemical compound that gives vinegar its sour taste and pungent smell. Also known as ethanoic acid.
C6H8O7
   is   
Citric Acid
It is a natural preservative and is also used to add an acidic, or sour taste to foods and soft drinks. It exists in a variety of fruits and vegetables, most notably citrus fruits.
C9H8O4
   is   
Acetylsalicylic Acid
Aspirin. Often used as an analgesic to relieve minor aches and pains, as an antipyretic to reduce fever, and as an anti-inflammatory medication. Also has an anti-platelet or anti-clotting effect and is used in long-term, low doses to prevent heart attacks, strokes and blood clot formation
C9H8O4
   is   
Aspirin
Acetylsalicylic Acid. Often used as an analgesic to relieve minor aches and pains, as an antipyretic to reduce fever, and as an anti-inflammatory medication. Also has an antiplatelet or "anti-clotting" effect and is used in long-term, low doses to prevent heart attacks, strokes and blood clot formation
C10H8
   is   
Naphthalene
Aka: Mothballs. Trace amounts of naphthalene are produced by magnolias and specific types of deer, as well as the Formosan subterranean termite, possibly produced by the termite as a repellant against "ants, poisonous fungi and nematode worms.
C12H22O11
   is   
Sucrose
Sugar. It is best known for its role in human nutrition and is formed by plants but not by other organisms such as animals. Also known as Maltose.
CaCO3
   is   
Calcium Carbonate
Aka: Limestone; calcite; aragonite; chalk and marble. A common substance found in rock in all parts of the world, and is the main component of shells of marine organisms, snails, pearls, and eggshells. Calcium carbonate is the active ingredient in agricultural lime, and is usually the principal cause of hard water. It is commonly used medicinally as a calcium supplement or as an antacid
CaO
   is   
Calcium Oxide
Aka: Lime
CaSO4
   is   
Calcium Sulphate
It is used as a desiccant. It is also used as a coagulant in products like tofu. The hemihydrate (CaSO4.~0.5H2O) is better known as plaster of Paris, while the dihydrate (CaSO4.2H2O) occurs naturally as gypsum.
CCl4
   is   
Carbon Tetrachloride
Sometimes used as a solvent to dissolve fats and oils. Was formerly widely used in fire extinguishers and as a precursor to refrigerants. It is a colourless liquid with a "sweet" smell. Also known as tetrachloromethane and carbon tet.
CH3CH2OH
   is   
Ethanol
Best known as the type of alcohol found in alcoholic beverages and in thermometers. In common usage, it is often referred to simply as alcohol. Also called ethyl alcohol, pure alcohol, grain alcohol, or drinking alcohol.
CH4
   is   
Methane
The principal component of natural gas. The relative abundance of methane and its clean burning process makes it a very attractive fuel. However, because it is a gas at normal temperature and pressure, methane is difficult to transport
CHCl3
   is   
Chloroform
Used to be a commonly used anaesthetic. The major use today is in the production of the refrigerant R-22, commonly used in the air conditioning business. However, as the Montreal Protocol takes effect, this use can be expected to decline. Also known as trichloromethane and methyl trichloride.
Cl2
   is   
Chlorine
Used in bleaching and disinfectants. As a common disinfectant, chlorine compounds are used in swimming pools.
CO2
   is   
Carbon Dioxide
Carbon dioxide is a greenhouse gas. It is used by plants during photosynthesis.
CO
   is   
Carbon Monoxide
A significantly toxic gas, it is the most common type of fatal poisoning in many countries. Common poisoning sources include house fires, furnaces, wood-burning stoves, motor vehicle exhaust, propane-fueled equipment eg. portable camping stoves & faulty diving air compressors.
CuSO4
   is   
Copper Sulphate
Used as a fungicide. Mixed with lime it is called Bordeaux mixture. A commonly included chemical in children's chemistry sets it is used to grow blue crystals.
D2O
   is   
Deuterium Oxide
Water which contains a higher proportion than normal of the isotope deuterium, as deuterium oxide is called heavy water. It is used in certain types of nuclear reactors.
D2O
   is   
Heavy Water
Water which contains a higher proportion than normal of the isotope deuterium, as deuterium oxide is called heavy water. It is used in certain types of nuclear reactors.
FeO
   is   
Ferrous Oxide
Iron(II) oxide, also known by its former name ferrous oxide or informally as iron monoxide, is one of the iron oxides. It is a black-colored powder. It should not be confused with rust, which usually consists of hydrated iron(III) oxide (ferric oxide
FeS2
   is   
Fools' Gold
Iron Pyrite. This mineral's metallic lustre and pale-to-normal, brass-yellow colour have earned it the name fool's gold due to its resemblance to gold.
FeS2
   is   
Iron Pyrite
Fools' Gold. This mineral's metallic lustre and pale-to-normal, brass-yellow hue have earned it the nickname fool's gold due to its resemblance to gold.
H2O2
   is   
Hydrogen Peroxide
Peroxide. A weak acid. It has strong oxidising properties and is therefore a powerful bleaching agent that is mostly used for bleaching paper (or hair), but also used as a disinfectant.
H2SO4
   is   
Sulphuric Acid
A strong acid that used to be known as Oil of Vitriol. Principal uses include ore processing, fertiliser manufacturing, oil refining, waste water processing, and chemical synthesis.
H20
   is   
Water
HC6H7O6
   is   
Ascorbic Acid
Commonly known as vitamin C. All living animals either make it, eat it, or die from scurvy due to lack of it.
HCl
   is   
Hydrochloric Acid
A highly corrosive acid that has major industrial uses. It is found naturally in gastric acid.
HCN
   is   
Hydrogen Cyanide
Aka: Prussic Acid
HCN
   is   
Prussic Acid
Aka: Hydrogen cyanide
HNO3
   is   
Nitric Acid
A highly corrosive and toxic strong acid. Common uses include as a cleaning agent and in explosives (e.g dynamite), and as one of the key components of Nitroglycerin.
K2CO3
   is   
Potassium Carbonate
Aka: Pearl Ash and Potash. Potassium carbonate is used in the production of soap and glass.
Mg(OH)2
   is   
Magnesium Hydroxide
Aka: Milk of Magnesia
MgSO4
   is   
Epsom Salts
Magnesium Sulphate
MgSO4
   is   
Magnesium Sulphate
Commonly called Epsom salts.
N2O
   is   
Laughing Gas
Nitrous Oxide
N2O
   is   
Nitrous Oxide
Commonly called laughing gas
NaClO
   is   
Bleach
Aka: Sodium hypochlorite
NaClO
   is   
Sodium Hypochlorite
Aka: Bleach
NaCl
   is   
Sodium Chloride
Commonly known as salt. Sodium chloride is the salt most responsible for the salinity of the ocean and of the extracellular fluid of many multicellular organisms. As the major ingredient in edible salt, it is commonly used as a condiment and food preservative.
NaCl
   is   
Table Salt
Sodium chloride is the salt most responsible for the salinity of the ocean and of the extracellular fluid of many multicellular organisms. As the major ingredient in edible salt, it is commonly used as a condiment and food preservative.
NaHCO3
   is   
Baking Soda
Used as a rising agent in baking. Also known as Sodium Bicarbonate, bread soda, cooking soda, bicarbonate of soda.
NaHCO3
   is   
Sodium Bicarbonate
Baking Soda. Used as a rising agent in baking. Also known as bread soda, cooking soda, bicarbonate of soda.
NaOH
   is   
Sodium Hydroxide
Aka: Lye
(NH4)2CO3
   is   
Ammonium Carbonate
Aka: Sal Volatile. When crushed is used as smelling salts.
O3
   is   
Ozone
Ground-level ozone is an air pollutant with harmful effects on the respiratory systems of animals and humans. Ozone in the upper atmosphere filters potentially damaging ultraviolet light from reaching the Earth's surface.
Pb3O4
   is   
Lead Tetroxide
Aka: Red Lead. It is used in the manufacture of batteries, lead glass and rust-proof primer paints.
Pb3O4
   is   
Red Lead
Aka: Lead Tetroxide. It is used in the manufacture of batteries, lead glass and rust-proof primer paints.
PbCO3
   is   
Lead Carbonate
It is prepared industrially from lead(II) acetate and carbon dioxide. It occurs naturally as the mineral cerussite
SiO2
   is   
Silica
Silica is most commonly found in nature as sand or quartz, as well as in the cell walls of diatoms. It is a principal component of most types of glass and substances such as concrete. Silica is the most abundant mineral in the earth's crust.


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