Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H = 1/Cp (∂H/∂T)P, changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is ___________________?
Correct answer: A. 0
- A. 0
- B. ∞
- C. +ve
- D. -ve
Explanation
At the inversion temperature, the Joule-Thomson effect changes from heating to cooling, so the coefficient passes through zero. Thus μJT is zero at that temperature.
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