Question: What is an ideal gas and a real gas? Edit
Answer: A hypothetical gas which obeys PV = nRT law is called ideal gas. It has no exsistance in the universe. Ideal gas composed of a set of randomly-moving, non-interacting point particles.
Real gases – as opposed to a perfect or ideal gas – exhibit properties that cannot be explained entirely using the ideal gas law.
Real gases are modeled by taking into account their molar weight and molar volume and it obeys Vanderwall's theorem.
Real gases behave like ideal gases at "ordinary" temperatures and pressures. But if you heat them up and compress them to high pressure, then their behavior departs from ideal. Edit
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