For a gas held at

CHEMISTRY · Multi-part · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures

Problem

For a gas held at

320\,\text{K}

, the compressibility factor varies with pressure according to

Z = 0.88 + 0.0045\,P

, where

P

is in atmospheres. (a) Calculate the pressure at which

Z = 1

. (b) At

35\,\text{atm}

, indicate whether deviations from ideality are dominated by intermolecular attractions or by the finite volume of gas particles.