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Nov 30, 2007· Best Answer: Coal is not actually a compound, but rather a mixture of compounds and so it does not have a chemical formula. However depending on the type of coal, it is composed of between 50 carbon, by mass, with the rest being Hydrogen, Nitrogen, Oxygen, and trace amounts of Sulfur.
May 01, 2011· Best Answer: That would be Ag. Do not get confused with gold which is Au. Oh and one thing. When talking just about the elements, its better to say chemical SYMBOL rather than chemical FORMULA. It''s not a big issue but it''s the technical and more correct term to say.
Oct 30, 2008· Best Answer: well coal can be represented by the letter C for coal but to make sure we don''t get confused with coal and carbon we shall use Cx Cx + O2 > H2O +CO2 or coal + oxygen > water + carbon dioxide or coal + fire (oxidization) > water + carbon dioxide
Aug 01, 2007· The chemical formula of gold is Au. Gold atoms are attracted to each other in a crystalline structure that extends out in 3D. The mass of gold present will determine the number of atoms smallest discrete unit of gold found in nature is Au (by the way, Au is derived from the latin name for gold, aurum).
Apr 22, 2008· What is the chemical composition of coal? include any relevant formula or structural diagram. other websites too. Follow . 4 answers 4. Report Abuse ... What is the chemical composition of Black and Brown coal? What is chemical composition of .
Jun 06, 2010· Best Answer: Coal is a complex hydrocarbon with several calcium and silicon impurities. The hydrocarbon burns quite cleanly into co2 and water, while the calcium and silicon end up as oxides, commonly in the form of "fly ash" and "bottom ash" so named by whether their physical form is .
Feb 14, 2007· Best Answer: Chemical. The easiest way to determine this is to try and get the process to reverse. You cannot take CO2 and H2O (the products of burning coal) and make them separate back into coal (C) and oxygen (O2). If you cannot go backwards to get the original material, then it is a chemical change.
Coal is just a rock you dig up from the ground. To answer any question about a chemical equation, you have to know what coal is, chemically— this question is kind of like asking "what is dirt?" Well, what kind of dirt?? Coal is mostly carbon, with...
Feb 21, 2008· Give the formula, chemical name and use(s) of ammonia water? You add together nitrogen gas and hydrogen gas to produce 108 grams of ammonia (NH3). If hydrogen gas is the?
Sep 07, 2006· Best Answer: There is no one particular chemical formula for coal. It is mostly carbon, hydrogen with the degree of saturation being pretty low ( it is mostly carbon). You can view it as CnHm, where n is a high number and m is relatively low. Notable impurities are sulfur and mercury (amongst other ...
Dec 29, 2005· Fly Ash is a very fine ash produced from the combustion of various sources such as coal, and there can be a mixture of components. In short, there is not specific formula definition for fly ash, but it usually contains SiO2 (silicon dioxide) or Fe2O3 (Iron Oxide).
Jun 21, 2011· The chemical formula of sulphuric acid is acid is a very important commodity chemical, and indeed, a nation''s sulfuric acid production is a good indicator of its industrial strength.[9] World production in 2001 was 165 million tons, with an approximate value of US8 billion.
Nov 03, 2007· Urea is an organic compound with the chemical formula (NH2)2CO. Urea is also known as carbamide, especially in the recommended International Nonproprietary Names (rINN) in use in Europe. For example, the medicinal compound hydroxyurea (old British Approved Name) is now hydroxycarbamide.
Oct 05, 2010· Best Answer: divide the molar mass by the mass of the empirical formula. This tells you how many times the empirical formula fits into the molecular formula. / .
Oct 08, 2006· In smaller quanitities are the ingredients talc, a mineral which has the formula H2Mg3(SiO3)4 or Mg3Si4O10(OH)2. Also mineral oil, which is made from refining petroleum to obtain alkanes and cyclic paraffins which have a general formula CnH2n+2, where n is greater than 20, meaning they are relatively large molecules.
Mar 14, 2019· Coal as we all know is one of the fossil fuels we use today be industry or purpose. It is used as an abundant natural resource which is used as a source of energy. Coal is in the form of hard rock. It mostly contains Carbon, but it also ...
Mar 07, 2012· The burning of coal releases carbon dioxide, sulfur dioxide and nitrogen oxides what would the chemical equation for this be I have no idea thankyou so much
Jul 19, 2007· Best Answer: Well soot is a combination of carbon (C) and cresote. Creosote is a mixture of many different compounds. These mixtures contain polycyclic aromatic hydrocarbons (Ps), phenols, and cresols that are formed form the high temperature treatment of some wood.
Jan 17, 2010· Best Answer: Aluminium sulfate or Aluminium Sulphate, written as Al2(SO4)3 or Al2O12S3 Aluminium sulfate is an industrial chemical used as a flocculating agent in the purification of drinking water[2][3] and waste water treatment plants, and also in paper manufacturing. Aluminium sulfate is sometimes incorrectly referred to as alum but alums are closely related compounds typified by .
Mar 08, 2012· The burning of coal releases carbon dioxide, sulfur dioxide and nitrogen oxides what would the chemical equation for this be I have no idea thankyou so much
Dec 13, 2006· Best Answer: it is CaCO3. Calcium is located in Group 2 on the periodic table, and all group 2 elements are always a 2+ charge. carbonate, CO3, has a charge of 2. the quick hand way of determining the charge for each compound is switching the charges of each element/ion. So now Ca and CO3 (the 3 should be ...
Feb 01, 2009· For the best answers, search on this site https:///awUfr Chemical symbol for carbon is C It is a group 14, nonmetallic, tetravalent element, that presents several allotropic forms of which the best known ones are graphite (the thermodynamically stable form under normal conditions), diamond, and amorphous carbon.
Oct 31, 2019· A mL flask contains g of a volatile oxide of nitrogen which has the general molecular formula NxOy where x and y are integers. The pressure in the flask is 760 mmHg at 17°C.
Mar 17, 2013· Best Answer: The chemical formula, also known as the empirical formula or the simplest formula is the simplest whole number ratio of the atoms or ions that can combine in a compound. This formula is just like the simplest foundation (also like a blueprint) of how the atomic structure or its formula will be like.
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