Chemistry
(i) Write the reaction of steam with red hot iron.
(ii) Why is this reaction considered a reversible reaction?
(iii) How can the reaction proceed continuously?
Hydrogen
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Answer
(i) 3Fe + 4H2O ⇌ Fe3O4 + 4H2 ↑
(ii) This reaction is reversible because if the hydrogen formed is not removed, then the iron oxide (triferric tetraoxide) formed is reduced back to iron.
(iii) The hydrogen formed should be removed in order for the reaction to proceed continuously.
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