The equation DU = Tds - PdV is applicable to infinitesimal...

Home / Chemical Engineering / Chemical Engineering Thermodynamics / Question

Examveda

The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in

A. An open system of constant composition

B. A closed system of constant composition

C. An open system with changes in composition

D. A closed system with changes in composition

Answer: Option D

Solution (By Examveda Team)

The given equation is a fundamental property relation and is valid for every open system with constant composition and for a closed system when no reaction is taking place in the system.

This Question Belongs to Chemical Engineering >> Chemical Engineering Thermodynamics

Join The Discussion

Related Questions on Chemical Engineering Thermodynamics

Sublimation temperature of dry ice (solid CO₂) is __________ °C.

A. -273

C. -78

D. 5

View Answer

The equation relating E, P, V and T which is true for all substanes under all conditions is given by $${\left( {\frac{{\partial {\text{E}}}}{{\partial {\text{V}}}}} \right)_{\text{T}}} = {\text{T}} \cdot {\left( {\frac{{\partial {\text{P}}}}{{\partial {\text{T}}}}} \right)_{\text{H}}} - {\text{P}}{\text{.}}$$ This equation is called the

A. Maxwell's equation

B. Thermodynamic equation of state

C. Equation of state

D. Redlich-Kwong equation of state

View Answer

Henry's law is closely obeyed by a gas, when its __________ is extremely high.

A. Pressure

B. Solubility

C. Temperature

D. None of these

View Answer

If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of mixing is zero.

A. Enthalpy

B. Volume

C. Both A & B

D. Neither A nor B

View Answer