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Encyclopedia > Isobutylene

There are four alkenes which have four carbon atoms and one double bond in their chemical structure. All four of these hydrocarbons have the same chemical formula C4H8, but have different arangements of their atoms, making them isomers. The IUPAC and common names of these four chemical compounds are: An alkene is one of the three classes of unsaturated hydrocarbons that contain at least one carbon-carbon double bond and have the general molecular formula of CnH2n (the other two being alkynes and arenes). ... General Name, Symbol, Number Carbon, C, 6 Chemical series Nonmetals Group, Period, Block 14 (IVA), 2, p Density, Hardness 2267 kg/m3 0. ... Properties For alternative meanings see atom (disambiguation). ... Covalent bonding is a form of chemical bonding characterized by the sharing of one or more pairs of electrons between atoms, in order to produce a mutual attraction, which holds the resultant molecule together. ... Chemical structure is the arrangement of atoms within a molecule, usually linked by covalent bonds. ... In chemistry, a hydrocarbon is a cleaning solution consisting only of carbon (C) and hydrogen (H). ... A chemical formula (also called molecular formula) is a concise way of expressing information about the atoms that constitute a particular chemical compound. ... General Name, Symbol, Number Carbon, C, 6 Chemical series Nonmetals Group, Period, Block 14 (IVA), 2, p Density, Hardness 2267 kg/m3 0. ... General Name, Symbol, Number Hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1 (IA), 1, s Density, Hardness 0. ... In chemistry, isomers are molecules with the same chemical formula and often with the same kinds of bonds between atoms, but in which the atoms are arranged differently. ... The International Union of Pure and Applied Chemistry (IUPAC) is an international non-governmental organization devoted to the advancement of chemistry. ... A chemical compound is a chemical substance formed from two or more elements, with a fixed ratio determining the composition. ...

IUPAC name
common name

The chemical structures are shown at right. The small blue numbers in the structure images are the numbering of the atoms in the main backbone chain of the molecules.

All four of these isomers are gases at room temperature and pressure, but can be liquified by lowering the temperature or raising the pressure on them, in a manner similar to pressurized butane. These gases are colorless, but do have distinct odors, and are highly flammable. Although not naturally present in petroleum in high percentages, they can be produced from petrochemicals. Although they are stable compounds, the carbon-carbon double bonds make them more reactive than similar alkanes, which are more inert compounds in many ways. Gas (actually, as), the GNU assembler, is the default GCC back-end. ... Temperature is the physical property of a system which underlies the common notions of hot and cold; the material with the higher temperature is said to be hotter. ... Pressure is the application of force to a surface, and the concentration of that force in a given area. ... Butane is the general name for two related alkane hydrocarbon with the molecular formula C4H10: n-butane (1-butane) and iso-butane (i-butane, isobutane, 2-methylpropane). ... For other uses see fire (disambiguation). ... Nodding donkey pumping an oil well near Sarnia, Ontario, 2001 Petroleum (from Latin petra – rock and oleum – oil), crude oil, sometimes colloquially called black gold, is a thick, dark brown or greenish flammable liquid, which exists in the upper strata of some areas of the Earths crust. ... A petrochemical is any chemical derived from fossil fuel. ... An alkane in organic chemistry is a type of hydrocarbon in which the molecule has the maximum possible number of hydrogen atoms and so has no double bonds (they are saturated). ...

Because of the double bonds, these 4-carbon alkenes can act as monomers in the formation of polymers, as well as having other uses as petrochemical intermediates. They are used in the production of synthetic rubber. In chemistry, a monomer (from Greek mono one and meros part) is a small molecule that may become chemically bonded to other monomers to form a polymer. ... A polymer is a long, repeating chain of atoms, formed through the linkage of many molecules called monomers. ... A petrochemical is any chemical derived from fossil fuel. ... Synthetic rubber is a type of artificially-made polymer material which acts as an elastomer. ...

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