Chemical Engineering Thermodynamics Cp - Cv = R is valid for __________ gases. All Very low temperature Ideal Very high pressure All Very low temperature Ideal Very high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system U decreases but S is constant U is constant but S decreases U and S both decreases Its internal energy (U) decreases and its entropy (S) increases U decreases but S is constant U is constant but S decreases U and S both decreases Its internal energy (U) decreases and its entropy (S) increases 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 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Ideal refrigeration cycle is Dependent on the refrigerant's properties Same as Carnot cycle Same as reverse Carnot cycle The least efficient of all refrigeration processes Dependent on the refrigerant's properties Same as Carnot cycle Same as reverse Carnot cycle The least efficient of all refrigeration processes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Efficiency of a Carnot engine working between temperatures T₁ and T₂ (T₁ < T₂) is (T₂ - T₁)/T₁ (T₂ - T₁)/T₂ (T₁ - T₂)/T₂ (T₁ - T₂)/T₁ (T₂ - T₁)/T₁ (T₂ - T₁)/T₂ (T₁ - T₂)/T₂ (T₁ - T₂)/T₁ 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 No change in enthalpy Decrease in enthalpy corresponding to evolution of heat Decrease of entropy Increase in enthalpy corresponding to absorption of heat No change in enthalpy Decrease in enthalpy corresponding to evolution of heat ANSWER DOWNLOAD EXAMIANS APP