One way of writing the equation of state for real gases is: PV = RT [ 1 + B V + ]…

CHEMISTRY · Subjective · IB Diploma Programme · Chemistry · Ideal gases · Ideal gases

Problem

One way of writing the equation of state for real gases is:

PV = RT \left[ 1 + \frac{B}{V} + \dots \right]

where

B

is a constant. Derive an approximate expression for

B

in terms of van der Waals' constants

a

and

b