A vessel of volume 5 litres contains 1.4 g of and 0.4 g of He at

CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance

Problem

A vessel of volume 5 litres contains 1.4 g of

\text{N}_2

and 0.4 g of He at

1500\text{ K}

. If 30% of the nitrogen molecules are dissociated into atoms then find the gas pressure.