Answer to the following question briefly:
 
Distinguish between ideal gas and real gas.
 
Ideal gas:
If the atoms or molecules of a gas , then the gas is said to be an ideal gas or a perfect gas.
 
In ideal gas,  because the interatomic or intermolecular forces of attraction are weak.
 
Real gas:
If the molecules or atoms of a gases , then the gases are said to be real gases.
 
At , a real gases behaves as an ideal gases because in this condition there is no interatomic or intermolecular force of