Definitions

1. Hydrocarbon is hydrophobic except when it has an attached ionized functional group such as carboxyl (acid) (COOH), then molecule is hydrophilic. (Web site)
2. When the hydrocarbon is a cyclic compound, the hydrogen atom can be regarded as a functional group. (Web site)
3. In a ring hydrocarbon, the carbons are arranged in a continuous loop, such as a square, a pentagon, or a triangle.
4. The simplest hydrocarbon is methane, with one carbon atom and four hydrogen atoms. (Web site)

Hydrocarbon Feedstock

1. UCG offers the potential to produce fuels and hydrocarbon feedstock from coal deposits which may otherwise be unrecoverable.
2. The system produces hydrogen by bubbling the hydrocarbon feedstock through a molten material. (Web site)

Hydrocarbon Radical

1. The hydrocarbon radical R.sub.1 may be a linear or branched alkyl radical, an alkenyl radical or an alkyl or alkenyl substituted aromatic radical. (Web site)

Hydrocarbon Radicals

1. The alkyl groups in all the above described compounds are hydrocarbon radicals having 1-4 carbon atoms.

Arylalkyl Hydrocarbon

1. In a slurrying zone 14, the arylalkyl hydrocarbon can be slurried with the promoter, which can include a magnetite-based solid support, and any diluent. (Web site)
2. The arylalkyl hydrocarbon can have at least one alpha hydrogen in the molecule. (Web site)
3. The amount of oxygen employed can be expressed in terms of the mole ratio of oxygen to that of the arylalkyl hydrocarbon that is to be oxidized. (Web site)

Parent Hydrocarbon Chain

1. The double bond begins at carbon 2 (numbering from the end closest to the double bond); thus the parent hydrocarbon chain is named 2-heptene. (Web site)
2. Identify the parent hydrocarbon chain (The longest continuous chain of carbon atoms) 2.
3. The longest chain of the substituent is numbered starting with the carbon attached directly to the parent hydrocarbon chain.

Hydrocarbon Gases

1. Natural gas is a combustible mixture of hydrocarbon gases. (Web site)
2. Western geologists admit that abiogenic processes create methane and hydrocarbon gases inside the earth, but not in commercially significant quantities. (Web site)

Hydrocarbon Deposits

1. Solid alkanes are known as tars and are formed when more volatile alkanes such as gases and oil evaporate from hydrocarbon deposits. (Web site)
2. The antennas are placed into the mahogany zone in Earth in situ and microwaves are used to radiate tar sands, or oil shale, or other hydrocarbon deposits. (Web site)

Hydrocarbon Fuel

1. The process and apparatus in the present invention is a simplification in that it does not require hydrocarbon fuel. (Web site)

Hydrocarbon Substituents

1. A few examples of "benzenoid" hydrocarbons follow, and it will be noticed that the hydrocarbon substituents include alkyl, alkenyl, and alkynyl groups.
2. The number of carbon atoms in each of the hydrocarbon substituents, R1, R2, and R3 in formula IV can vary considerably. (Web site)
3. Organotin compounds or stannanes are chemical compounds based on tin with hydrocarbon substituents. (Web site)

Aliphatic Hydrocarbon

1. Ethane is a chemical compound with chemical formula C 2 H 6. It is the only two-carbon alkane that is an aliphatic hydrocarbon.
2. The aliphatic hydrocarbon, aryl, alkoxyl, or aryloxy group, or a fluorine atom represented by R 3 and R 4 has the same meaning as defined for R 1 above. (Web site)
3. It is miscible with water and with most organic liquids, including nonpolar liquids such as aliphatic hydrocarbon s.

Hydrocarbon Molecules

1. Crude oil is a mixture of hydrocarbon molecules, which are organic compounds of carbon and hydrogen atoms that may include from one to 60 carbon atoms.
2. Abiogenic: At depths of hundreds of kilometers, carbon deposits are a mixture of hydrocarbon molecules which leak upward through the crust.
3. Because both carbon and hydrogen were common in nebulae, hydrocarbon molecules are very common in space.

Groups

1. The substituents of these hydrocarbon groups include, but are not limited to, for example, (i) halogen (e.g.
2. Such hydrocarbon groups occur in many organic compound s.
3. SUDAN III TEST Introduction: Sudan III test detects the hydrocarbon groups that are remaining in the molecule. (Web site)

Class

1. This new class of hydrocarbon is known as an alkene.
2. Sulfonic acids are a class of organic acids with the general formula R -S(=O) 2 -OH, where R is usually a hydrocarbon side chain. (Web site)
3. Any of a class of organic compounds in which two hydrocarbon groups are linked by an oxygen atom. (Web site)

Number

1. Better nomenclature systems use names based on the name of the hydrocarbon with the same number of carbons in the longest continuous chain in the molecule.
2. Alkynes: An alkyne is a hydrocarbon where the number of hydrogens is equal to two less than twice the number of carbons.
3. Unbranched, saturated hydrocarbon chains are named systematically with a Greek numerical prefix denoting the number of carbons and the suffix "-ane". (Web site)

Size

1. In March 2007, additional images near Titan's north pole discovered hydrocarbon "seas", the largest of which is almost the size of the Caspian Sea.
2. This is because the increased size of the hydrocarbon portion will prevent water molecules from being attracted to the organic molecules.

Reactive

1. The more reactive a hydrocarbon, the greater potential it has to form ozone. (Web site)
2. Methyl molecules are known as hydrocarbon radicals because they are short-lived and highly reactive. (Web site)

Air

1. In DE-A-41 01 205, it is suggested that the cooling fluid be water, air, oil or a cooling agent with hydrocarbon content. (Web site)
2. Dry cleaning is expensive and the hydrocarbon vapors vented into the atmosphere pollute the air. (Web site)
3. Because hydrogen is buoyant in air, hydrogen flames tend to ascend rapidly and cause less damage than hydrocarbon fires. (Web site)

Heated

1. Heated under pressure, this material would release hydrocarbon fluids in addition to creating solid carbon deposits. (Web site)
2. One of the building’s major bridging supports was heated to the point of exhaustion by the burning of an abundant store of hydrocarbon fuel. (Web site)

Organic Chemical Compound

1. Hydrocarbon: an organic chemical compound primarily containing the elements carbon and hydrogen.

Acetic

1. The Saunby disclosure is directed to removal of alpha, beta-unsaturated ketone impurities in acetic acid produced by hydrocarbon oxidation. (Web site)

Styrene

1. However, it does contain small amounts of styrene, and this hydrocarbon was named after the genus Styrax.
2. Hydrocarbon resins (produced by the polymerization of styrene and alpha- methyl styrene), hydrogenated (CAS Reg. (Web site)

Methyl

1. The hydrocarbon substituents generally contain from 1 to about 10 carbon atoms and preferably are methyl or ethyl groups. (Web site)
2. Examples of such hydrocarbon radicals are methyl, ethyl, propyl, butyl, hexyl, decyl, phenyl, benzyl and p-tolyl. (Web site)

Nitrogen

1. When a hydrocarbon or any fuel burns in air, the combustion products will also include nitrogen. (Web site)
2. It is associated with other hydrocarbon fuels and sometimes accompanied by helium and nitrogen. (Web site)

Room Temperature

1. The hydrocarbon in tar sands is a highly viscous hydrocarbon known as bitumen which is semi-solid at room temperature. (Web site)

Cracking

1. Lewis acid catalysts of the present invention also find use in other hydrocarbon conversion processes including alkylation, isomerization and cracking.

Catalyst

1. The hydrocarbon used as feed in the partial oxidation process is preferably in the gaseous phase when contacting the catalyst. (Web site)
2. The hydrocarbon feedstock is contacted with the catalyst as a mixture with an oxygen- containing gas, such as pure oxygen.
3. The hydrocarbon reactants and non reactive hydrocarbons (e.g., normal butane) are intimately contacted with the acid catalyst as the alkylation proceeds. (Web site)

Rings

1. Fulvalene - A fulvalene is a hydrocarbon obtained by formally cross-conjugating two rings through a common exocyclic double bond. (Web site)

Fused

1. Heteroaryl rings may also be fused with one or more cyclic hydrocarbon, heterocyclic, aryl, or heteroaryl rings. (Web site)
2. Preferred cyclic alkyl have one hydrocarbon ring, but may have two, three, or more, fused or spirocycle hydrocarbon rings. (Web site)

Hydrocarbon Group

1. The organic group R is preferably a hydrocarbon group of up to 8 carbon atoms, more preferably an alkyl group or an aryl group, e.g. (Web site)
2. In preferred embodiments, the hydrocarbon group comprises an alkyl or arylalkyl group. (Web site)
3. The optionally substituted hydrocarbon groups represented by A 1 of —SO 2 A 1 are the same as the aforementioned optionally substituted hydrocarbon group. (Web site)

Formula

1. Acetylene (systematic name: ethyne) is the chemical compound with the formula C 2 H 2. It is a hydrocarbon and the simplest alkyne. (Web site)
2. The R group can be any hydrocarbon group having at least two valence bonds for attachment to the acyl groups shown in the above formula.
3. In general, for a hydrocarbon composed of n carbon atoms associated with m rings the formula is: C n H(2n + 2 - 2m). (Web site)

Aromatic Hydrocarbon

1. Benzene is an aromatic hydrocarbon and the second [ n]- annulene ([6]-annulene), a cyclic hydrocarbon with a continuous pi bond. (Web site)
2. Ethylbenzene is an organic chemical compound which is an aromatic hydrocarbon.
3. Naphthalene (C 10 H 8 constituent of mothballs), consisting of two coplanar six-membered rings sharing an edge, is another aromatic hydrocarbon. (Web site)

Present Invention

1. According to the process of the present invention, the alkene is chemically fixed on the resin and reacted with the desired alkane or aromatic hydrocarbon. (Web site)
2. The hydrocarbons produced using the present invention can be utilized in any process where a hydrocarbon is required. (Web site)
3. The term "hydrocarbon" is used throughout the specification to describe various substituent groups according to the present invention. (Web site)

Hydrocarbon Chain

1. In a hydrocarbon chain, if one or more hydrogen atoms is removed, a new bond may be formed. (Web site)
2. In saturated fatty acids, the hydrocarbon chain is linear; the cis double bond in oleate creates a kink in the hydrocarbon chain.
3. Linker 14 (which can also be referred to as a spacer) can be a hydrocarbon chain, and is shown comprising 5 carbon atoms. (Web site)

Fatty Acids

1. In fatty acids, the fourth group is a hydrocarbon chain. (Web site)
2. The long hydrocarbon chains of the fatty acids are of course non-polar. (Web site)

Production

1. The disclosed method allows the production of hydrocarbon by the liquid-phase reaction of water with biomass-derived oxygenated compounds. (Web site)
2. This is predicated upon the theory that these chemicals are released by kerogen during the production of hydrocarbon oils. (Web site)

Hydrogen Sulfide

1. Sulfur recovery converts hydrogen sulfide in sour gases and hydrocarbon streams to elemental sulfur. (Web site)
2. Thus, when the gaseous mixture is wet, the agent will scavenge the hydrogen sulfide from both the aqueous vapors and the hydrocarbon vapors. (Web site)

Water

1. Most of the Earth's hydrogen is in the form of chemical compound s such as hydrocarbon s and water. (Web site)
2. The rest of the molecule, the hydrocarbon chain, is hydrophobic, meaning that it repels water.
3. All you get in place of those original hydrogen bonds are van der Waals dispersion forces between the water and the hydrocarbon "tails". (Web site)

Carbon Dioxide

1. Diesel oxidation-type catalytic converters can be used to reduce hydrocarbon and carbon monoxide emissions, converting these to water and carbon dioxide.
2. The hydrocarbon feedstock may be a gas arising from naturally occurring reserves of methane which contain carbon dioxide.
3. Compared to other hydrocarbon fuel s, burning methane produces less carbon dioxide for each unit of heat released. (Web site)

Derivatives

1. In fact, these molecules can be viewed as hydrocarbon derivatives with functional groups in place of H, bonded to carbon at various sites along the molecule. (Web site)
2. Hydrocarbon derivatives are formed when there is a substitution of a functional group at one or more of these positions.
3. The compounds are named as derivatives of the hydrocarbon.

Ammonia

1. Hydrological features: the liquid involved can range from water to hydrocarbon and ammonia, depending on the location within the Solar System. (Web site)
2. Process conditions will also alter depending on the relative quantites of ammonia and hydrocarbon products desired.

Distillation

1. Coal Tar Bitumen: a dark brown to black, semi-solid hydrocarbon formed as a residue from the partial evaporation or distillation of coal tar.

Amines

1. In amines, the hydrogen atoms in the ammonia have been replaced one at a time by hydrocarbon groups.

Carboxylic Acids

1. Attachment of a "carboxyl" group (-COOH) to an aliphatic hydrocarbon produces the "carboxylic acids".
2. All carboxylic acids can be generally symbolized by RCOOH, with R as the standard designation of any hydrocarbon. (Web site)
3. The hydrocarbon portion of the molecule of carboxylic acids is named according to how the corresponding alkane would be named.

Invention

1. In one embodiment of this invention, a hydrocarbon is produced having a higher ratio of even-numbered to odd-numbered hydrocarbons. (Web site)
2. Accordingly, the primary object of the invention is to provide a method for synthesizing novel high density halogen substituted hydrocarbon fluids. (Web site)
3. The process of this invention is conducted such that alkylation of an aromatic hydrocarbon compound, exemplified by benzene, with an alkylating agent, i.e. (Web site)

Herein

1. The term "aryl" as used herein refers to an aromatic hydrocarbon ring system containing at least one aromatic ring. (Web site)
2. As used herein, the term "aliphatic hydrocarbon" encompasses saturated hydrocarbons, preferably isoalkanes. (Web site)
3. Linking group refers herein to any group which is capable of linking a hydrocarbon radical to an aryl radical.

Ether

1. As such a fuel, a hydrocarbon, an alcohol, an ether, etc. (Web site)
2. A saturated alkoxide is an ether whose hydrocarbon portion is saturated. (Web site)
3. An unsaturated alkoxide is an ether like an alkoxide that further includes ethylenic unsaturation in the hydrocarbon group. (Web site)

Categories

1. Chemistry > Organic Chemistry > Organic Compounds > Hydrocarbons
2. Carbon Atoms
3. Hydrogen Atoms
4. Molecule
5. Nature > Chemistry > Organic Chemistry > Substituent

Related Keywords

* Alcohols * Alkane * Alkanes * Alkyl * Alkyl Group * Aromatic * Aryl * Atom * Atoms * Benzene * Bond * Bonds * Branched * Carbon * Carbon Atom * Carbon Atoms * Carbon Monoxide * Carboxylic * Chains * Compound * Compounds * Emissions * Fluorine * Fuel * Fuels * Functional Group * Gasoline * Group * Halogen * Hydrocarbons * Hydrocarbon Chains * Hydrocarbon Fuels * Hydrocarbon Molecule * Hydrogen * Hydrogens * Hydrogen Atom * Hydrogen Atoms * Ketone * Liquid * Methane * Methanol * Mixture * Mixtures * Molecule * Naphtha * Oil * Oxygen * Petroleum * Saturated * Saturated Hydrocarbon * Six Carbon Atoms * Solvent * Substituent * Toluene * Unsaturated * Unsaturated Hydrocarbon * Unsubstituted

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