Chemical Engineering Thermodynamics (MCQs)

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.
Explanation: 
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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