Calculate z and v for nitrogen trifluoride at 300 k and 95 bar by the following equations (a) the truncated virial equation [eq. (3.38)] with the following values of virial coefficients b--83.5 cm3.mol-1 c-5592 cm6.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 for nf3. tc-234 k, pc-44.6 bar, and ? 0.126 equation (3.38) pv rt equation (3.36) bc pv rt bp rt equation (3.58) abp rtc equation (3.62) b0.139- 0.172 t4.2