Answer
Option (d) $-17.7$ kJ/K
Work Step by Step
Solved by EES Software. Solutions can be verified by copying-and-pasting the following lines on a blank EES screen.
$P_1=3000$ "kPa"
$m=5$ "kg"
$s_{fg}=$(ENTROPY(Steam_IAPWS,$P=P_1,x=1$)-ENTROPY(Steam_IAPWS,$P=P_1,x=0$))
$S_{\text{change}}=-m*s_{fg}$ "kJ/K"
Option (d) $-17.7$ kJ/K is correct.
