What are Hydrocarbons?
Hydrocarbon refrigerants are environmentally friendly, non-toxic, non-ozone-depleting replacement for chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs) and hydrofluorocarbons (HFCs). From a chemical point of view, a hydrocarbon is the simplest organic compound, consisting entirely of hydrogen and carbon. Hydrocarbons (HC) are naturally occurring substances. The majority can be found in crude oil, where decomposed organic matter provides an abundance of carbon and hydrogen.
Hydrocarbons are chemical compounds consisting entirely of carbon and hydrogen. They are a subset of organic compounds. Hydrocarbons range from methane, which is just one carbon atom bonded to two hydrogen atoms, to polymers such as polystyrene, which consists of thousands of carbon and hydrogen atoms. As carbon-carbon bonds are the strongest in all of chemistry, long chains with carbon backbones are extremely durable, and seem to have a practically unlimited extent. Hydrocarbons come in a variety of forms. They may be gases (methane and propane), liquids (hexane and benzene), waxes (paraffin wax), or polymers (polyethylene and polystyrene). Hydrocarbons can be processed to create plastics. There are four main types of hydrocarbons: saturated hydrocarbons, consisting of only single bonds between carbon atoms; unsaturated hydrocarbons, with double or triple bonds; cycloalkanes, with consist of hydrogen bonded to carbon rings; and aromatic hydrocarbons, which contain a chemical structure
Hydrocarbons (also known as volatile organic compounds (VOC)) are compounds made of hydrogen and carbon. They are released from gasoline engines and the evaporation of paint and solvents and are also produced naturally from the decomposition of organic matter and by certain types of plants. Hydrocarbons contribute to the formation of ground-level ozone. What is an inversion layer? Situations when air next to the earth is trapped by a layer of warmer air above it, keeping pollution close to the earth. How can trees help fight air pollution? • Vegetation purifies the air by removing gaseous pollutants by absorbing them through pores in the leaf surface. • Particulate pollution is trapped and filtered by leaves, stems and twigs, and is washed to the ground by rainfall. • Trees absorb carbon dioxide – the main greenhouse gas. One acre of trees can absorb as much as 4 tons of carbon dioxide a year, the same amount as a car driven 26,000 miles. • Trees save energy. Shade trees reduce air-con
