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State whether the following is true or false.
An enthalpy change computed along an artificial three-step path equals the real change between the same end states.

  • A.False only at small scales
  • B.True
  • C.False
  • D.True only at large scales

Answer: B

Enthalpy is a state function, so any path between the same two states gives the same difference, and the artificial path is chosen purely for computational convenience. This is the same argument that justifies reversible paths for entropy.

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