Calculate ΔH at 298.15K for the reaction: 2Na(s) + 2H₂O(l) → 2NaOH(s) + H₂(g). Given ΔH°f[H₂O(l)] = -285.8 kJ/mol and ΔH°f[NaOH(s)] = -426.8 kJ/mol.

University of Ilorin CHM101 2020 past question

1. -291.9 kJ
2. -281.9 kJ
3. -271.9 kJ
4. +281.9 kJ

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