Chemical Engineering Thermodynamics
Which one is true for a throttling process?

The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity
A gas may have more than one inversion temperatures
The inversion temperature is different for different gases
The inversion temperature is same for all gases

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Chemical Engineering Thermodynamics
On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal line at point A. Then at a point A, the slope of the reversible adiabatic line (∂P/∂V)S and the slope of the reversible isothermal line (∂P/∂V)T are related as (where, y = Cp/Cv) )

(∂P/∂V)S = [(∂P/∂V)T]Y
(∂P/∂V)S = 1/y(∂P/∂V)T
(∂P/∂V)S = y(∂P/∂V)T
(∂P/∂V)S = (∂P/∂V)T

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