Entropy change of the reaction, H2O (liquid) → H2O (gas), is termed as the enthalpy of___________________?

A. At low temperature and high pressure
B. At standard state
C. Both A. and B
D. In ideal state

A. Activity
B. Fugacity
C. Activity co-efficient
D. Fugacity co-efficient

A. 1
B. < 1
C. > 1
D. >> 1

A. Pressure and temperature
B. Reduced pressure and reduced temperature
C. Critical pressure and critical temperature
D. None of these

A. Rate of heat transmission
B. Initial state only
C. End states only
D. None of these