Find ΔH at 358 K for the reaction, Fe _ 2 O _ 3 (5)+3 H _ 2 ( ~g ) ZFe (5)+3 H _ 2 O ( l…
Chemistry · JEE Main · NTA Exams — Chemical Thermodynamics
Find ΔH at 358 K for the reaction, \(\mathrm{Fe}_{2} \mathrm{O}_{3}(5)+3 \mathrm{H}_{2}(\mathrm{~g}) \longrightarrow \mathrm{ZFe}(5)+3 \mathrm{H}_{2} \mathrm{O}(\mathrm{l})\)
Given that, \(\Delta \mathrm{H}_{29:}=-33.29\) kJ/mole and Cp for Fe2O3(s), Fe(s), H2O(l) and H2(g) are 103.8, 25.1, 75.3 and 28.8 J/K mole.
- 85.9 kJ/mole
- -28.136 kJ/mole
- +28.136 kJ/mole
- 85.9 J/mole
Answer
(B) -28.136 kJ/mole
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