Chemical Engineering Thermodynamics Generation of heat by friction is an example of a/an __________ change. Isothermal Irreversible Reversible Adiabatic Isothermal Irreversible Reversible Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For the reversible exothermic reaction, N₂ + 3H₂ ⇋ 2NH₃, increase of pressure would Both B and C Give higher yield of NH₃ Shift the equilibrium towards right Neither A nor B Both B and C Give higher yield of NH₃ Shift the equilibrium towards right Neither A nor B 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 Heating Both B and C Simultaneous pressure & temperature change Cooling Heating Both B and C Simultaneous pressure & temperature change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is A . x₂² Ax₂ Ax₁² Ax₁ A . x₂² Ax₂ Ax₁² Ax₁ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Sublimation temperature of dry ice (solid CO₂) is __________ °C. 0 -273 -78 5 0 -273 -78 5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm³ and that in vapour phase in 391.1 cm³.Fugacity of water (in kPa) at 9000 kPa will be 6753.5 7058.3 6738.9 9000 6753.5 7058.3 6738.9 9000 ANSWER DOWNLOAD EXAMIANS APP