Using van der Waals equation `(P+(a)/(V^(2)))(V-b)=RT`, answer the following questions:
The van der Waals equation explains the behaviour of

Options

A. Ideal gases
B. Real gases
C. Vapours
D. Non-real gases

Explanation

To answer the question regarding the van der Waals equation and what it explains, we will break down the solution step by step.

### Step-by-Step Solution:

1. **Understanding the van der Waals Equation**:
The van der Waals equation is given as:
\[
\left(P + \frac{a}{V^2}\right)(V - b) = RT
...