Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Simultaneous pressure & temperature change Heating Cooling Both B and C Simultaneous pressure & temperature change Heating Cooling Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The ammonia synthesis reaction represented by N₂ + 3H₂ ⇋ 2NH₃ ; ΔH = - 22.4 kcal, is Exothermic Isothermal Endothermic Adiabatic Exothermic Isothermal Endothermic Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a spontaneous process, free energy Decreases whereas the entropy increases Increases And entropy both decrease Is zero Decreases whereas the entropy increases Increases And entropy both decrease Is zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The necessary and sufficient condition for equilibrium between two phases is The chemical potential of each component should be same in the two phases The temperature of each phase should be same The concentration of each component should be same in the two phases The pressure should be same in the two phases The chemical potential of each component should be same in the two phases The temperature of each phase should be same The concentration of each component should be same in the two phases The pressure should be same in the two phases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For the gaseous phase chemical reaction, C₂H₄(g) + H₂O(g) ⟷ C₂H₅OH(g), the equilibrium conversion does not depend on the Pressure None of these Temperature Steam to ethylene ratio Pressure None of these Temperature Steam to ethylene ratio ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A solid is transformed into vapour without going to the liquid phase at Triple point Boiling point Below triple point Always Triple point Boiling point Below triple point Always ANSWER DOWNLOAD EXAMIANS APP