For which process does entropy decrease?

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H₂(g) → 2H(g) NaHCO₃(s) → Na₂CO₃(s) + CO₂(g) + H₂O(g) H₂O(l) → H₂O(s) Correct Temperature rise from 0 K to 100 K

Entropy decreases when disorder decreases, e.g., H₂O(l) → H₂O(s), as liquid to solid reduces randomness.

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