Chemical Engineering Thermodynamics For spontaneous changes in an isolated system (S = entropy) Ds > 0 Ds = 0 Ds = Constant Ds <0 Ds > 0 Ds = 0 Ds = Constant Ds <0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (∂V/∂S)P = (∂T/∂P)S (∂S/∂P)T = -(∂V/∂T)P (∂T/∂V)S = -(∂P/∂S)V (∂S/∂V)T = (∂P/∂T)V (∂V/∂S)P = (∂T/∂P)S (∂S/∂P)T = -(∂V/∂T)P (∂T/∂V)S = -(∂P/∂S)V (∂S/∂V)T = (∂P/∂T)V ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be Same Doubled One fourth of its original value Halved Same Doubled One fourth of its original value Halved ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible __________ process. Isometric Isothermal Adiabatic Isentropic Isometric Isothermal Adiabatic Isentropic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. Low freezing point High viscosity High thermal conductivity Large latent heat of vaporisation Low freezing point High viscosity High thermal conductivity Large latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The first law of thermodynamics is a statement of conservation of Energy Heat Work Momentum Energy Heat Work Momentum ANSWER DOWNLOAD EXAMIANS APP