Answer
See the image
Work Step by Step
a) From table A-4E
$P=67.028psia$
As $269.51\frac{Btu}{lbm}\lt u\lt 1099.8\frac{Btu}{lbm}$ is a saturated mixture.
b) From table A-5E
$T=267.22^{\circ}F$
$u=236.02\frac{Btu}{lbm}$
c) From table A-6E
$u=1174.4\frac{Btu}{lbm}$
As $T\gt T_{sat}$ is a superheated vapor
d) From table A-6E
$u=374.19\frac{Btu}{lbm}$
As $T\lt T_{sat}$ is a compressed liquid
