Question

Assuming compression is according to the law PV = constant. Calculate the initial

volume of gas at a pressure of 2 bar which will occupy a volume of 6 m3 when it is

compressed to a pressure of 42 bar.

Answer 1

$p_1V_1=p_2V_2,$

$V_1=V_2\frac{p_2}{p_1}=126~m^3.$