Which of the following relation is not correct?

Question

Canvas Classes · Accepted Answer

Strategy:
 Review the fundamental definitions and laws of thermodynamics.

Step 1: Evaluate each relation
- (1) : Incorrect. Enthalpy is defined as , so at constant pressure, .
- (2) : Correct. This is the First Law.
- (3) : Correct. This is the Second Law.
- (4) : Correct. This is the definition of Gibbs free energy change.

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