Write the balanced chemical equation for the following reaction. Phases are optional. Solid iron(I) oxide reacts with hydrogen gas to form solid iron and liquid water. 2Fe+3H, Ol Fe, O,+ 3H2 â 2Fe+ 3H2O(I)

Explanation:

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In this case, when writing chemical reactions from the given names we must make sure we know the proper formula for each reacted and produced species; thus, since solid iron (III) oxide is , hydrogen gas is , solid iron is Fe and liquid water is just , we can write:

However, since different amount of atoms of iron, hydrogen and oxygen are present at each side of the equation, we balance it by adding the following coefficients to each molecule:

And now it is balanced with two iron atoms, three oxygen atoms and six hydrogen atoms at both reactants and products.

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the awnser is group 12