Chemical Engineering Thermodynamics The activity of an ideal gas is numerically __________ its pressure. More than Less than Data insufficient, can't be predicted Equal to More than Less than Data insufficient, can't be predicted Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Expansion of a real gas Heating of an ideal gas Cooling of a real gas Reversible isothermal volume change Expansion of a real gas Heating of an ideal gas Cooling of a real gas Reversible isothermal volume change 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 When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is Replaced by chemical potential which is more in vapour phase More in vapour phase Same in both the phases More in liquid phase Replaced by chemical potential which is more in vapour phase More in vapour phase Same in both the phases More in liquid phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an isothermal reversible compression of an ideal gas ΔE = ΔH = 0 Only ΔE = 0 DQ = dE Only ΔH =0 ΔE = ΔH = 0 Only ΔE = 0 DQ = dE Only ΔH =0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the least thermal efficiency? Steam engine Carnot engine Diesel engine Otto engine Steam engine Carnot engine Diesel engine Otto engine ANSWER DOWNLOAD EXAMIANS APP