Chemical Engineering Thermodynamics High __________ is an undesirable property for a good refrigerant. Viscosity Latent heat of vaporisation Specific vapor volume Specific heat Viscosity Latent heat of vaporisation Specific vapor volume Specific heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole. 273 25 None of these 0 273 25 None of these 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change During cooling of an ideal gas With pressure changes at constant temperature Under reversible isothermal volume change During heating of an ideal gas During cooling of an ideal gas With pressure changes at constant temperature Under reversible isothermal volume change During heating of an ideal gas 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. Both B and C Simultaneous pressure & temperature change Heating Cooling Both B and C Simultaneous pressure & temperature change Heating Cooling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change. This is called the Le-Chatelier principle Arrehenius hypothesis Law of corresponding state Kopp's rule Le-Chatelier principle Arrehenius hypothesis Law of corresponding state Kopp's rule ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is an extensive property of a system? Molal heat capacity Heat capacity Concentration Pressure Molal heat capacity Heat capacity Concentration Pressure ANSWER DOWNLOAD EXAMIANS APP