A real gas at a very pressure occupies

A real gas at a very high pressure occupies

A real gas at high pressure occupies under identical conditions :

What is the magneitude of Compresibility factor for real gas at very low pressure. Plot long PVS log V for an ideal gas. Write the unit of vanderwall's constant 'a’

The compressibility factor for a real gas at high pressure is .

The compressibility factor for a real gas at high pressure is :

The compressibility factor for a real gas at high pressure is .

The compressibility factor for a real gas at high pressure is .

The compressibility factor for a real gas at high pressure is .

The compressibility factor for a real gas at high pressure is .