Chemical Engineering Thermodynamics The necessary and sufficient condition for equilibrium between two phases is The temperature of each phase should be same The pressure should be same in the two phases The chemical potential of each component should be same in the two phases The concentration of each component should be same in the two phases The temperature of each phase should be same The pressure should be same in the two phases The chemical potential of each component should be same in the two phases The concentration of each component should be same in the two phases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical compressibility factor for all substances Are more or less constant (vary from 0.2 to 0.3) Vary as square of the absolute temperature Vary as square of the absolute pressure None of these Are more or less constant (vary from 0.2 to 0.3) Vary as square of the absolute temperature Vary as square of the absolute pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The number of degrees of freedom for a mixture of ice and water (liquid) are 3 2 0 1 3 2 0 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy of mixing at constant pressure and temperature is always ∞ - ve + ve ∞ - ve + ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is Negative None of these Positive Zero Negative None of these Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change Under reversible isothermal volume change During cooling of an ideal gas During heating of an ideal gas With pressure changes at constant temperature Under reversible isothermal volume change During cooling of an ideal gas During heating of an ideal gas With pressure changes at constant temperature ANSWER DOWNLOAD EXAMIANS APP
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