Chemical Engineering Thermodynamics

Internal energy change of a system over one complete cycle in a cyclic process is

  • A. Zero
  • B. +ve
  • C. -ve
  • D. Dependent on the path
Answer: Option A.
Explanation: 

Since, internal energy $$(U)$$ is a point function the change over cyclic process will be equal to zero.
$$dU=0.$$

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