For an ideal gas, the enthalpy
A. Increases with rise in pressure
B. Decreases with rise in pressure
C. Is independent of pressure
D. Is a path function
Answer: Option C
Solution (By Examveda Team)
The enthalpy of a substance is given by $$dH = {C_P}dT + \left[ {V - T{{\left( {\frac{{\partial V}}{{\partial T}}} \right)}_P}} \right]dP$$For ideal gas $$T{\left( {\frac{{\partial V}}{{\partial T}}} \right)_P} = V$$
So, $$dH = {C_P}dT$$
So, it is dependent on temperature only.
This Question Belongs to Chemical Engineering >> Chemical Engineering Thermodynamics
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