[Olympiad] Which of the following conditions must be met for a reaction to be spontaneous at all temperatures?
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ΔH > 0, ΔS > 0
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ΔH > 0, ΔS < 0
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ΔH < 0, ΔS > 0
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ΔH < 0, ΔS < 0
📝 Detailed explanation
ΔG = ΔH - TΔS. If ΔH is negative and ΔS is positive, ΔG will always be negative regardless of the value of T.
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