Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Simultaneous heating and expansion of an ideal gas Cooling of a substance Heating of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Cooling of a substance Heating of a substance Reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics (∂H/∂T)p is the mathematical expression for None of these Entropy change Gibbs free energy CV None of these Entropy change Gibbs free energy CV ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of Temperature and pressure only Temperature, pressure and liquid composition xi only Temperature, pressure, liquid composition xi and vapour composition yi Temperature only Temperature and pressure only Temperature, pressure and liquid composition xi only Temperature, pressure, liquid composition xi and vapour composition yi Temperature only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches That of the heat of reaction Unity Infinity Zero That of the heat of reaction Unity Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In Joule-Thomson porous plug experiment, the Entire apparatus is exposed to surroundings Enthalpy does not remain constant None of these Temperature remains constant Entire apparatus is exposed to surroundings Enthalpy does not remain constant None of these Temperature remains constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is affected by the temperature? All of these Fugacity Activity co-efficient Free energy All of these Fugacity Activity co-efficient Free energy ANSWER DOWNLOAD EXAMIANS APP
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