Fe 2 O 3 ( s ) → 2 Fe( s ) + 3/2 O 2 ( g ) i. 2 Fe( s ) + 6 H 2 O( ℓ ) ...
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| Use Hess’s Law to determine the heat of reaction for the process. | Gebruik Hess se Wet om die reaksiewarmte vir die proses te bepaal. |
Fe2O3(s) → 2 Fe(s) + 3/2 O2(g)
i. 2 Fe(s) + 6 H2O(ℓ) → 2 Fe(OH)3(s) + 3 H2(g) | ΔH° = +321.8 kJii. H2(g) + ½ O2(g) → H2O(ℓ) | ΔH° = -285.8 kJiii. 2 Fe(OH)3(s) → Fe2O3(s) + 3 H2O(ℓ) | ΔH° = -288.6 kJ
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