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Question
Chemistry
Posted 7 months ago
Steam is compressed from 8MPa8 \mathrm{MPa} and 300C300^{\circ} \mathrm{C} to 10MPa10 \mathrm{MPa} isentropically. Determine the final temperature of the steam.
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Answer from Sia
Posted 7 months ago
Solution
1
Understand the process: Isentropic compression means that the process is both adiabatic (no heat transfer) and reversible, which implies that the entropy remains constant during the compression
2
Use steam tables or Mollier diagram: To determine the final temperature of the steam after isentropic compression, one would typically refer to steam tables or a Mollier diagram (also known as an h-s diagram for enthalpy-entropy). Since the initial state is given (8 MPa, 300C300^\circ C), we can find the specific entropy at this state. Then, using the final pressure (10 MPa) and the same specific entropy, we can find the final temperature from the tables or diagram
Answer
The final temperature of the steam after isentropic compression to 10 MPa cannot be determined precisely without steam tables or a Mollier diagram.
Key Concept
Isentropic Process
Explanation
In an isentropic process, entropy remains constant, which allows us to use steam tables or a Mollier diagram to find the final state of the steam after compression.

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