Chemical Engineering Thermodynamics For spontaneous changes in an isolated system (S = entropy) Ds <0 Ds = 0 Ds > 0 Ds = Constant Ds <0 Ds = 0 Ds > 0 Ds = Constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following exemplifies an adiabatic process? Melting of ice Sudden bursting of a cycle tube Condensation of alcohol vapor Evaporation of water Melting of ice Sudden bursting of a cycle tube Condensation of alcohol vapor Evaporation of water ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy change of mixing two liquid substances is a function of the All of these Temperature only Quantities of the constituents only Concentration of the constituents only All of these Temperature only Quantities of the constituents only Concentration of the constituents only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which None of these Two liquids are completely separated into two layers Mutual solubility of the two liquids shows a decreasing trend A homogeneous solution (say of phenol water) is formed None of these Two liquids are completely separated into two layers Mutual solubility of the two liquids shows a decreasing trend A homogeneous solution (say of phenol water) is formed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by Decrease of entropy Increase in enthalpy corresponding to absorption of heat Decrease in enthalpy corresponding to evolution of heat No change in enthalpy Decrease of entropy Increase in enthalpy corresponding to absorption of heat Decrease in enthalpy corresponding to evolution of heat No change in enthalpy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Ideal refrigeration cycle is The least efficient of all refrigeration processes Same as Carnot cycle Same as reverse Carnot cycle Dependent on the refrigerant's properties The least efficient of all refrigeration processes Same as Carnot cycle Same as reverse Carnot cycle Dependent on the refrigerant's properties ANSWER DOWNLOAD EXAMIANS APP