question_answer

If u, t, v, s, h and p refer to internal energy, temperature, volume, entropy, enthalpy and pressure respectively; and subscript 0 refers to environment conditions, availability function for a closed system is given by:

A) \[u+{{p}_{0}}v-{{T}_{0}}s\]   

B) \[u-{{p}_{0}}v+{{T}_{0}}s\]

C) \[h+{{p}_{0}}v+{{T}_{0}}s\]

D) \[h-{{p}_{0}}v+{{T}_{0}}s\]