Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Contracts Either A, B or C Expands Does not change in volume Contracts Either A, B or C Expands Does not change in volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an ideal gas, the internal energy depends upon its __________ only. Temperature Pressure Volume Molecular size Temperature Pressure Volume Molecular size ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a homogeneous solution, the activity co-efficient of a component depends upon the All of these Pressure Temperature Composition All of these Pressure Temperature Composition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Equilibrium constant decreases as the temperature 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 Increases, for an exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
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 Gibbs-Duhem equation Applies only to binary systems None of these Finds no application in gas-liquid equilibria involved in distillation States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure Applies only to binary systems None of these Finds no application in gas-liquid equilibria involved in distillation States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS