Which of the following identities can be most easily used to verify steam table data for superheated steam ?
Correct answer: D. (∂V/∂T)P = -(∂S/∂P)T
- A. (∂T/∂V)S = (∂p/∂S)V
- B. (∂T/∂P)S = (∂V/∂S)P
- C. (∂P/∂T)V = (∂S/∂V)T
- D. (∂V/∂T)P = -(∂S/∂P)T
Explanation
The Maxwell relation from dG = VdP − SdT is (∂V/∂T)P = −(∂S/∂P)T. This relation provides a consistency check for tabulated superheated-steam properties.
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