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.

Dec 8, 2025 · Natural gas, colorless highly flammable gaseous hydrocarbon consisting primarily of methane and ethane. It is a type of petroleum that commonly occurs in association with crude oil. It is …

Oct 15, 2025 · Gas - Behaviour, Properties, Physics: The enormous number of molecules in even a small volume of a dilute gas produces not complication, as might be expected, but rather simplification.

Gas is one of the three principle states of matter. The properties of gases are distinctly different from those of liquids and solids—the other principle states.

Gas - Transport, Properties, Flow: The following is a summary of the three main transport properties: viscosity, heat conductivity, and diffusivity. These properties correspond to the transfer of …

Dec 8, 2025 · Gas laws, laws that relate the pressure, volume, and temperature of a gas. Boyle’s law and Charles’s law can be combined to form the ideal gas law, a single generalization of the behavior …

Gas - Molecular, Sizes, Properties: Molecular sizes can be estimated from the foregoing information on the intermolecular separation, speed, mean free path, and collision rate of gas molecules.

Nov 17, 2025 · Liquefied petroleum gas, any of several liquid mixtures of the volatile hydrocarbons propene, propane, butene, and butane. A typical commercial mixture may also contain ethane and …

Monatomic gas, gas composed of particles (molecules) that consist of single atoms, such as helium or sodium vapour, and in this way different from diatomic, triatomic, or, in general, polyatomic gases.

Dec 8, 2025 · Natural gas - Fossil Fuel, Hydrocarbons, Methane: Natural gas is more ubiquitous than oil. It is derived from both land plants and aquatic organic matter and is generated above, throughout, …