Which of the following processes cannot be made reversible even under ideal condition of operation ?

A. Not have a sub-atmospheric vapour pressure at the temperature in the refrigerator coils
B. Not have unduly high vapour pressure at the condenser temperature
C. Both A. and B
D. Have low specific heat

A. Temperature
B. Pressure
C. Volume
D. Entropy

A. In which there is a temperature drop
B. Which is exemplified by a non-steady flow expansion
C. Which can be performed in a pipe with a constriction
D. In which there is an increase in temperature

A. Van Laar equation
B. Margules equation
C. Wilson’s equation
D. All A, B. and C

A. ΔF = ΔH + T [∂(ΔF)/∂T]P
B. ΔF = ΔH – TΔT
C. d(E – TS) T, V < 0
D. dP/dT = ΔHvap/T.ΔVvap