Entropy Increases: NaCl(s) → NaCl(aq), [Cu(H2O)6]2+(aq) + EDTA4-(aq) → [Cu(EDTA)]2-(aq) + 6H2O(l), 2Na(s) + 2HCl(aq) → 2NaCl(aq) + H2(g), 2[Cr(H2O)6]3+(aq) + 3CO32-(aq) → 2[Cr(H2O)4(OH)2](s) + 3H2O(l) + 3CO2(g), Entropy Decreases: H2O(g) → H2O(l) → H2O(s), Cl2(g) + 2K(s) → 2KCl(s), N2(g) + 3H2(g) → 2NH3(g), [Fe(H2O)6]2+(aq) + 2OH-(aq) → [Fe(H2O)4(OH)2](s) + 2H2O(l), Entropy Stays the Same: Cl2(g) + H2(g) → 2HCl(g), [Co(H2O)6]2+(aq) + 6NH3(aq) → [Co(NH3)6]2+(aq) + 6H2O(l),

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