Which of the following relations is not correct?

1. \(\Delta \mathrm{H}=\Delta \mathrm{U}-\mathrm{P} \Delta \mathrm{V}\)
2. \(\Delta \mathrm{U}=\mathrm{q}+\mathrm{W}\)
3. \(\Delta S_{\text {sys }}+\Delta S_{\text {surr }} \geq 0\)
4. \(\Delta G=\Delta H-T \Delta S\)
Subtopic:  2nd & 3rd Law of Thermodynamics | First Law of Thermodynamics | Spontaneity & Entropy |
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Level 2: 60%+
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