Diagram of the specific entropy of Water and Steam
"Live" diagram 9 on the page 357 of the book Wolfgang Wagner, Hans-Joahim. Kretzschmar
"International Steam Tables - Properties of Water and Steam based on the Industrial Formulation IAPWS-IF97"
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Blue lines & point: your temperature , pressure and calculated entropy
s = 7 kJ/(kg K)
6.5
6.0
5.5
5.0
sc=4.41178 kJ/(kg K)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
s = 6.676 kJ/(kg K)
s = 0.5 kJ/(kg K)