Which of the following is a set of standard condition? a. 1 atm, 25 K, 22.41 cu m/kg mole

This question requires the use of the extracts from the tables of thermodynamic properties supplied. Ammonia, NH3, was once a commonly used refrigerant. In a particular (very old) refrigeration plant, ammonia has a pressure of 2.9 bar and a temperature of 40 °C. What would be the specific enthalpy of the ammonia under these conditions. 1433 kJ/kg a. b. 1552 kJ/kg 135 kJ/kg O d. 1622 kJ/kg O e. 1665 kJ/kg

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