Calculate Z and V for ethylene at 40C and 15 bar by the following equations: (a) The truncated virial equation [Eq. (3.38)] with the following experimental values of virial coefficients: B = - 140 cm 3 .mol-1 C = 7200 cm 6 .mol-2 (b) The truncated virial equation [Eq. (3.36)], with a value of B from the generalized Pitzer correlation [Eqs. (3.58)-(3.62)] (c) The Redlich/Kwong equation (d) The Soave/Redlich/Kwong equation (e) The Peng/Robinson equation