The compressibility factor of a gas is defined as $Z = pV/(nRT)$. If attractive intermolecular forces dominate then $Z$ tends to be smaller than 1, and vice versa if repulsive forces dominate. In
Which gases have compressibility factor greater than 1 at low
What is the maximum temperature stability of carbon fiber
Molecules, Free Full-Text
qph.cf2.quoracdn.net/main-thumb-294940393-200-cueh
physical chemistry - Why do some gases have lower value of Z for a
Ideal gas - Wikipedia
Heat pump - Wikipedia
Energies, Free Full-Text
Sustainability, Free Full-Text
gas laws - Graph of compressibility factor vs pressure when real
Ideal Gas Equation and COMPRESSIBILITY Factor in 11 Minutes!