Determine the entropy change for the reaction given below; 2$\mathrm{H_{2}(g)}$ + $\mathrm{O_{2}(g)}$ → 2$\mathrm{H_{2}O(l)}$ at 300 K. If standard entropies of $\mathrm{H_{2}(g)}$, $\mathrm{O_{2}(g)}$ and $\mathrm{H_{2}O}$
- Aare 126.6, 201.20 and 68.0 J K⁻¹ mol⁻¹ respectively.
- B–218.4 J K⁻¹ mol⁻¹
- C–318.4 J K⁻¹ mol⁻¹
- D–520.2 J K⁻¹ mol⁻¹ (4) –128.6 J K⁻¹ mol⁻¹
✓ Correct answer: B
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