Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Heating Both B and C Simultaneous pressure & temperature change Cooling Heating Both B and C Simultaneous pressure & temperature change Cooling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ equation predicts the activity co-efficient from experimental data. Lewis-Randall Both B & C Margules Van Laar Lewis-Randall Both B & C Margules Van Laar ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Equilibrium constant decreases as the temperature Increases, for an exothermic reaction None of these Increases, for an endothermic reaction Decreases, for an exothermic reaction Increases, for an exothermic reaction None of these Increases, for an endothermic reaction Decreases, for an exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a __________ vapour. Superheated None of these Non-condensable Desuperheated Superheated None of these Non-condensable Desuperheated ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole. 142 72 192 92 142 72 192 92 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a common refrigerant? Ethylene Freon-12 Carbon dioxide Ammonia Ethylene Freon-12 Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
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