What is the equation of state of an ideal gas ? Why is it so called ?

Equation of state of an ideal gas is

Write an equation of state of an ideal gas.

What is the equation of state of an ideal gas for n moles ?

What is equation of state for a gas.

State and explain the equation of state for an ideal gas. Why real gases deviate from the ideal behaviour ? What is van der Waal's modification of the gas equations ?

Deduce the equation of state for n mol of an ideal gas.

In the equation of state of an ideal gas PV =nRT , the value of the universal gas constant is not correct :

In the equation of state of an ideal gas PV =nRT , the value of the universal gas constant is not correct :