Which of the following conditions are true about spontaneous process?

Δ (G_{s y s t e m})_{T, P} < 0

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Δ S_{s y s t e m} + Δ S_{S u r r o u n d i n g s} > 0

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Δ (G_{s y s t e m})_{T, P} = 0

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Δ S_{s y s t e m} + Δ S_{S u r r o u n d i n g s} < 0

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Solution

The correct options are
A $Δ (G_{s y s t e m})_{T, P} < 0$
B $Δ S_{s y s t e m} + Δ S_{S u r r o u n d i n g s} > 0$
For spontaneous process,
$Δ (G_{s y s t e m})_{T, P} < 0$ and $Δ S_{s y s t e m} + Δ S_{S u r r o u n d i n g s} > 0$

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