Cp - Cv = R is valid for gases

Home / Chemical Engineering / Chemical Engineering Thermodynamics / Question

Examveda

C_p - C_v = R is valid for __________ gases.

A. Ideal

B. All

C. Very high pressure

D. Very low temperature

Answer: Option A

Solution (By Examveda Team)

$${C_P} - {C_V} = R,$$ is valid for ideal gas and we can prove this by using $$T-dS$$ equations.

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

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

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

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

View Answer

More Related Questions on Chemical Engineering Thermodynamics