Are ideal gasses real?

Are ideal gasses real?

In most usual conditions (for instance at standard temperature and pressure), most real gases behave qualitatively like an ideal gas. Many gases such as nitrogen, oxygen, hydrogen, noble gases, and some heavier gases like carbon dioxide can be treated like ideal gases within reasonable tolerances.

What makes a gas ideal?

An ideal gas is defined as one in which all collisions between atoms or molecules are perfectly eleastic and in which there are no intermolecular attractive forces. One can visualize it as a collection of perfectly hard spheres which collide but which otherwise do not interact with each other.

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Which has greater volume a real gas or an ideal gas?

Volume occupied by real gases. Molecules of an ideal gas are assumed to have zero volume, the volume available to them for motion is always the same as the volume of the container. … Thus at very high pressures, the experimentally measured value of PV/nRT is greater than the value predicted by the ideal gas law.