
Liquefied natural gas (LNG) | Description, Uses, & Benefits
6 days ago · Liquefied natural gas, natural gas (primarily methane) that has been liquefied for ease of storing and transporting. It can be converted back to its gaseous form by simply raising the temperature. Learn more about liquefied natural gas, its benefits, and its uses.
Liquefied petroleum gas (LPG) | Description, Uses, & Processing ...
4 days ago · liquefied petroleum gas (LPG), any of several liquid mixtures of the volatile hydrocarbons propene, propane, butene, and butane. It was used as early as 1860 for a portable fuel source, and its production and consumption for both domestic and industrial use have expanded ever since.
Gas | Definition, State of Matter, Properties, Structure, & Facts ...
Mar 25, 2025 · Gas, one of the three fundamental states of matter, with distinctly different properties from the liquid and solid states. The remarkable feature of gases is that they appear to have no structure at all.
liquid - Students | Britannica Kids | Homework Help
Liquid is one of the three principle states of matter. In its characteristics, a liquid is intermediate between a gas and a solid, the other two principle states. Like gases,…
Gas - Continuity, Liquid, States | Britannica
Mar 25, 2025 · Gas - Continuity, Liquid, States: It may be somewhat surprising to learn that there is no fundamental distinction between a gas and a liquid. It was noted above that a gas occupies a volume about 1,600 times greater than that of an equal weight of liquid.
Liquid | Chemistry, Properties, & Facts | Britannica
Mar 29, 2025 · Liquid, in physics, one of the three principal states of matter, intermediate between gas and crystalline solid. The most obvious physical properties of a liquid are its retention of volume and its conformation to the shape of its container.
The States of Matter | Solid, Liquid, & Gas | Britannica
The three most familiar forms, or states, of matter are solid, liquid, and gas. Heating and cooling a substance may change it from one state to another.
Liquid - Solubility, Gases, Solids | Britannica
Mar 29, 2025 · Liquid - Solubility, Gases, Solids: Since the dissolution of one substance in another can occur only if there is a decrease in the Gibbs energy, it follows that, generally speaking, gases and solids do not dissolve in liquids as readily as do other liquids.
Phase diagram | Equilibrium, Pressure & Temperature | Britannica
phase diagram, graph showing the limiting conditions for solid, liquid, and gaseous phases of a single substance or of a mixture of substances while undergoing changes in pressure and temperature or in some other combination of variables, such as solubility and temperature.
gas - Students | Britannica Kids | Homework Help
The process through which a liquid changes to a gas is called evaporation. In this process, as the temperature of a liquid approaches its boiling point, its particles begin to move faster and farther apart from each other.