what are the chemical properties of crude oil?
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Crude oil is a mixture of comparatively volatile liquid hydrocarbons (compounds composed mainly of hydrogen and carbon), though it also contains some nitrogen, sulfur, and oxygen. Those elements form a large variety of complex molecular structures, some of which cannot be readily identified.
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The most important substances present are hydrocarbons, which are compounds containing only two elements, hydrogen and carbon also small amount of Oxygen, Sulpher and Nitrogen (NSO compounds).  Mostly in oils the hydrogen and carbon comprises 95% to 99% of the total.
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With that said, the four main types of Crude Oil are: Very light oils – these include: Jet Fuel, Gasoline, Kerosene, Petroleum Ether, Petroleum Spirit, and Petroleum Naphtha. They tend to be very volatile, evaporating within a few days which in turn evaporates their toxicity levels.
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Viscosity Index All oils increase in viscosity when the temperature decreases and decrease in viscosity when temperatures increase. Group I, II, and III are derived from crude oil (mineral oil), Group IV is a fully synthetic oil, and Group V is for all base oils that are not included in one of the other groups.
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Crude oil is a naturally occurring, unrefined petroleum product composed of hydrocarbon deposits and other organic materials. A type of fossil fuel, crude oil can be refined to produce usable products such as gasoline, diesel, and various other forms of petrochemicals.
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Crude oils are customarily characterized by the type of hydrocarbon compound that is most prevalent in them: paraffins, naphthenes, and aromatics. Paraffins are the most common hydrocarbons in crude oil; certain liquid paraffins are the major constituents of gasoline (petrol) and are therefore highly valued.
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Uses of Crude Oil Crude oil is the base for lots of products. These include transportation fuels such as gasoline, diesel, and jet fuel. They also include fuel oils used for heating and electricity generation. In 2019, the United States consumed 7.5 billion barrels of crude oil.
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The average carbon coefficient of crude oil is 20.31 kg carbon per mmbtu (EPA 2019). The fraction oxidized is assumed to be 100 percent (IPCC 2006).
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The polarity of the carbonyl group notably affects the physical properties of melting point and boiling point, solubility, and dipole moment. Hydrocarbons, compounds consisting of only the elements hydrogen and carbon, are essentially nonpolar and thus have low melting and boiling points.
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Hazard Identification Crude oil is extremely flammable and can cause eye, skin, gastrointestinal, and respiratory irritation. Inhalation may cause dizziness, nausea, or headache. More serious health effects can occur if crude oil in inhaled or swallowed. Crude oil may contain variable amounts of benzene and n-hexane.
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Crude oil is made up of a mixture of hydrocarbons that can be turned into a wide variety of products. For example, very short chains of one to four carbons form the petroleum gases known as methane, ethane, propane, and butane.
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Distillate fuel oils are distilled from crude oil. Gas oil refers to the process of distillation. The oil is heated, becomes a gas and then condenses. It differentiates distillates from residual oil.
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Oils have a high carbon and hydrogen content and are usually flammable and surface active. Crude oil is a naturally occurring, unrefined petroleum product composed of hydrocarbon deposits and other organic materials.
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['Boiling Point and Freezing Point.', 'Surface Tension, Heat of Vaporization, and Vapor Pressure.', 'Viscosity and Cohesion.', 'Solid State.', 'Liquid State.', 'Gas State.']
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Crude oil is the raw natural resource that is extracted from the earth and refined into products such as gasoline, jet fuel, and other petroleum products. Crude oil is a global commodity that trades in markets around the world, both as spot oil and via derivatives contracts.
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Physical properties are those in which the chemical formula does not change. ... Physical properties include magnetism, density, molecular mass, viscosity. Chemical properties include combustion, dimerization, polymerization, and reaction with HCl.
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['Bubblepoint pressure.', 'Solution gas oil ratio (GOR)', 'Formation volume factor.', 'Viscosity.', 'Interfacial tension.', 'Density.', 'Isothermal compressibility.']