What are hydrocarbons BBC Bitesize?
Hydrocarbons are chemical compounds that contain the elements carbon and hydrogen only. They are compounds that are obtained from the fossil fuel crude oil by a process called fractional distillation.
Why are hydrocarbons good fuels?
Hydrocarbons are organic molecules consisting entirely of carbon and hydrogen. They make good fuels because their covalent bonds store a large amount of energy, which is released when the molecules are burned (i.e., when they react with oxygen to form carbon dioxide and water).
Are all fuels hydrocarbons?
Hydrocarbons are molecules consisting of both hydrogen and carbon. They are most famous for being the primary constituent of fossil fuels, namely natural gas, petroleum, and coal….Carbon dioxide emissions.
| Fuel | kg of CO2 emissions |
|---|---|
| Gasoline | 71.5 |
| Propane | 63.2 |
| Natural gas | 53.2 |
How does the use of hydrocarbon fuels produce pollutants?
Incomplete combustion of a hydrocarbon fuel occurs when there is a poor supply of oxygen. Less energy is released. Water is still produced from the hydrogen atoms. Instead of carbon dioxide, you might get carbon monoxide or particulate carbon, known commonly as soot , or a mixture of both.
What are hydrocarbons ks4?
Hydrocarbons are compounds that contain hydrogen and carbon atoms only.
What are hydrocarbons GCSE chemistry?
A hydrocarbon is a molecule that is made out of only hydrogen atoms and carbon atoms. The carbon atoms form a chain and the hydrogen atoms are bonded to the carbon chain. These are all saturated hydrocarbons. This means that there are no double bonds. Hydrocarbons with only single bonds are called alkanes.
What element do hydrocarbon fuels sometimes contain?
Complete combustion needs a plentiful supply of air so that the elements in the fuel react fully with oxygen. Fuels such as natural gas and petrol contain hydrocarbons. These are compounds of hydrogen and carbon only.
What is the importance of hydrocarbon?
Hydrocarbons are the principal constituents of petroleum and natural gas. They serve as fuels and lubricants as well as raw materials for the production of plastics, fibres, rubbers, solvents, explosives, and industrial chemicals.
What are hydrocarbon fuels?
A hydrocarbon is an organic compound consisting of hydrogen and carbon found in crude oil, natural gas, and coal. Hydrocarbons are highly combustible and the main energy source of the world. Its uses consist of gasoline, jet fuel, propane, kerosene, and diesel, to name just a few.
Why are hydrocarbons called hydrocarbons?
A hydrocarbon is any of a class of organic chemicals made up of only the elements carbon (C) and hydrogen (H). The carbon atoms join together to form the framework of the compound, and the hydrogen atoms attach to them in many different configurations.
What are the effects of hydrocarbons on the environment?
The combustion of hydrocarbon fuels releases carbon dioxide (CO2), as well as other greenhouse gases that contribute to atmospheric pollution and climate change. Unlike fossil fuel impurities that result in byproduct emissions, CO2 is an unavoidable result of hydrocarbon combustion.