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Hydrocarbons

Hydrocarbons include Alkanes, Alkenes, Alkynes, Aromatic and Alicyclic compounds.

2,710 Questions

What 2 gasses are formed when hot air is passed through hot coke?

When hot air is passed through hot coke, two gases that are formed are carbon monoxide (CO) and carbon dioxide (CO2). This process is known as the destructive distillation of coal, where coke is produced as a byproduct along with these gases.

What is the calorific value of a 50-50 Propane Butane mix?

The calorific value of a 50-50 mix of propane and butane can vary slightly, but typically ranges from 47,500 to 50,000 British Thermal Units (BTU) per cubic foot.

What type of bonds does ethane have?

Ethane has nonpolar covalent bonds. These bonds are formed between the carbon and hydrogen atoms in ethane, where the electrons are shared evenly between the atoms.

What happens if water reacts with steam react with the carbon monoxide at very high temperature?

When water reacts with steam and carbon monoxide at very high temperatures, a series of complex chemical reactions can occur. One possible outcome is the formation of hydrogen gas and carbon dioxide. This process may involve water gas shift reactions and gasification of carbon monoxide to produce these products.

What is the difference between kevlar and nylon?

Nomex is not a brand name of Kevlar. Nomex and Kevlar are both trademarked names for different, although similar, composite fibers. They are both ring compounds based on benzene. The difference is that Kevlar has para-oriented aromatic rings, making it about five times stronger than Nomex. Nomex has meta-oriented rings with 120-degree bond angles, which helps it not melt at high temperatures. That's why Kevlar is used for bullet-proof vests and Nomex is used for firefighter uniforms.

http://www.stockcarscience.com/scienceTopics/scsDriverSafety_Firesuit.php

Why isn't butanol a hydrocarbon?

Butanol is not a hydrocarbon because it contains oxygen atoms in its structure in addition to carbon and hydrogen atoms. Hydrocarbons are composed solely of carbon and hydrogen atoms. Butanol is a type of alcohol, which contains an -OH functional group that differentiates it from hydrocarbons.

Which of the alkanes are liquids at room temperature?

Ethene, propene and butene.

Ethene's boiling point is -104

Propene's " " " -48

But-1-ene " " " -6

Pentene being the alkene with the lowest number of carbons which is a liquid at room temperature (boiling point 30) So hot countries may count this as a gas!!

Found on wiki, do some research and dont be lazy!!

Are btu's of propane related to ambient temperature?

No, the BTU (British Thermal Unit) rating of propane is a measure of its energy content and remains constant regardless of ambient temperature. However, the efficiency of propane appliances may vary with temperature due to factors like combustion efficiency or heat loss.

What do you use alkenes for?

Alkenes are commonly used in the production of plastics, such as polyethylene and polypropylene. They are also used in the synthesis of various organic compounds through different chemical reactions like polymerization and hydrohalogenation. Additionally, alkenes can be used as starting materials in the manufacture of detergents, solvents, and synthetic rubbers.

How many types of bonds present in ethane?

Only sigma bonds are present in ethane.

There is one carbon-carbon sigma bond and six carbon-hydrogen sigma bonds in C2H6.

Is crystal a liquid or solid?

Crystals are typically considered solid materials. They are made up of a highly ordered arrangement of atoms or molecules in a repeating pattern, which gives them their distinctive shape and properties. However, some crystals may exhibit a degree of flexibility or flow, blurring the distinction between solid and liquid states.

What is fluoride of hydrocarbon?

Fluorides of hydrocarbons are chemical compounds where a hydrocarbon molecule has had one or more of its hydrogen atoms replaced by a fluorine atom. These compounds are used in various industrial applications, such as in the production of refrigerants and pharmaceuticals. Fluorides of hydrocarbons can have varying properties and reactivity levels depending on the specific combination of hydrocarbon and fluorine atoms.

What is the structural formula of methanal or Formaldehyde?

The structural formula of methanal (formaldehyde) is HCHO, where a carbon atom is double bonded to an oxygen atom and single bonded to two hydrogen atoms.

The heat and light given off by a propane stove result from the formation of new chemical bonds?

This statement is not accurate. The heat and light given off by a propane stove result from the combustion of propane gas, which is a chemical reaction that releases energy in the form of heat and light. No new chemical bonds are formed; instead, existing bonds in the propane molecules are broken, releasing energy.

What does ethane power?

Ethane is not a common power source, though there is some present in natural gas.

When you burn a hydrocarbon what is given off?

Hydrocarbons contain (ideally) hydrogen and carbon. When they are burned the hydrogen reacts with oxygen from the atmosphere to produce water H2O (usually steam) and the carbon reacts with more oxygen to produce carbon dioxide CO2.

Both these processes release a lot of heat (they are exothermic) and the heat is often used to drive a heat engine, which could be a petrol or diesel engine or a gas turbine. The heat can also be used to turn water into steam which is used in a steam turbine, another type of heat engine.

Hydrogen, carbon and oxygen have atomic weights of 1, 12 and 16. A hydrocarbon fuel like gasoline has approximately two hydrogen atoms for each carbon atom. 1 kg of fuel contains about 80% carbon and the molecular weight is about 14. Burning brings in two atoms of oxygen for each carbon atom, and one more atom of oxygen for the two hydrogen atoms. That means that 14 kg of fuel uses approximately 48 kg of oxygen to produce 44 kg of CO2 plus 18 kg of water.

The above is an approximate estimate of the principles involved, but is useful as a guide for the hydrocarbon fuels used in vehicles. One kg of fuel gives rise to approximately 3 kg of carbon dioxide.

A light gas like methane CH4 has proportionally more hydrogen, so 1 kg of fuel contains exactly 75% carbon, so the amount of carbon dioxide produced by burning is slightly less. Gas is seen as a 'clean' fuel but it is only slightly cleaner than oil fuels, because 100 lb of methane still contains 75 lb of carbon.

Why butane is used in lighters?

You push the little metal wheel to create a spark and then when you push the button the lighter fluid in the bottom is released. The fluid changes to a gas (Butane) when it is exposed to the air. The spark lights the gas which sets on fire. The flame will continue burning until you release the button.

What is the balanced equation of Chloroethene plus Oxgen gas which forms Carbon Dioxide plus Water plus Hydrogen Chloride?

Chloroethene is C2H3Cl, and is a key ingredient in PVC (poly-vinyl chloride). The balancedequation for this reaction is: 2C2H3Cl + 5O2 --> 4CO2 + 2H2O + 2HCl.

Where do the products end up when Hydrocarbon burns?

When hydrocarbons burn, they react with oxygen to produce carbon dioxide and water vapor as the main products. Incomplete combustion can also produce carbon monoxide, particulate matter, and other pollutants, which are released into the atmosphere.

Why are propane tanks rated for water capacity?

Propane tanks are rated for water capacity because it helps determine the tank's overall volume and its ability to safely store propane gas under pressure. Water capacity is used as a standard unit of measure in the propane industry for consistency and safety regulations.

Why is there no reaction between potassium permanganate and alkanes?

Potassium permanganate is a strong oxidizing agent, but alkanes are not easily oxidized due to their stable C-C and C-H bonds. As a result, there is no reaction between potassium permanganate and alkanes under normal conditions.

What is the Volume of one gallon of propane?

One gallon of propane has a volume of approximately 231 cubic inches or about 0.1337 cubic feet.