Chemical Engineering Thermodynamics Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates Easier plotting More accurate plotting Covering of wide range Use of only one graph for all gases Easier plotting More accurate plotting Covering of wide range Use of only one graph for all gases 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. Cooling Both B and C Simultaneous pressure & temperature change Heating Cooling Both B and C Simultaneous pressure & temperature change Heating ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v₁ = 1 m³ and v₂ 3 m³ ) is max imum, when the value of 'n' is 1.66 1 1.44 1.66 1 1.44 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is Same in both the phases More in liquid phase More in vapour phase Replaced by chemical potential which is more in vapour phase Same in both the phases More in liquid phase More in vapour phase Replaced by chemical potential which is more in vapour phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity and pressure are numerically not equal for the gases At standard state At low temperature and high pressure Both A and B In ideal state At standard state At low temperature and high pressure Both A and B In ideal state ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A change in state involving a decrease in entropy can be spontaneous, only if It is isenthalpic It is exothermic It takes place at constant volume It takes place isothermally It is isenthalpic It is exothermic It takes place at constant volume It takes place isothermally ANSWER DOWNLOAD EXAMIANS APP
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