Alkanes are a class of hydrocarbons that consist entirely of carbon and hydrogen atoms. They are the simplest hydrocarbons and form the basis for all other hydrocarbons. Alkanes are found in a wide variety of natural sources, including petroleum, natural gas, and coal.

Alkane liquids are alkanes that are liquid at room temperature and pressure. They are typically composed of 5 to 16 carbon atoms. The boiling points of alkane liquids increase as the number of carbon atoms increases.

Continuous chains are chains of carbon atoms that are connected by single bonds. Alkanes are characterized by their continuous chains of carbon atoms.

Some examples of alkane liquids with continuous chains include:

* Pentane (C5H12)

* Hexane (C6H14)

* Heptane (C7H16)

* Octane (C8H18)

* Nonane (C9H20)

* Decane (C10H22)

These alkanes are all liquid at room temperature and pressure. They are used in a wide variety of applications, including fuels, solvents, and lubricants.