Chemical Engineering Thermodynamics

Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole.

  • A. 0
  • B. 273
  • C. 25
  • D. None of these
Answer: Option A.

The room temperature is considered as standard stat at which internal energy is considered or taken as zero basically it is considered as Datum for calculations of internal energy.

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