Which of these is NOT a state function?

Answer and explanation

Correct answer: C. Work

  1. Step 1: A state function is a thermodynamic property that depends solely on the current state of the system, independent of the path taken.
  2. Step 2: Internal energy (), enthalpy (), and entropy () are state functions.
  3. Step 3: In contrast, work () and heat () are path-dependent boundary interactions and are not state functions.
Answer
Work.

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