(4) 175°C
27. Iron metal can be produced by reducing Felll) oxide with hydrogen.
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(9)
AH = +98.8 kJ; AS° = +141.5 J/K
Which is correct for above reaction?
(1) Spontaneous above 298 K
(3) Spontaneous below 698 K
(2) Spontaneous below 298
(4) Spontaneous above 698
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Answer:
The answer is a option A
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