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Maru [420]
3 years ago
13

The chemical equation provided shows iron rusting to form iron oxide. Use the drop-down menu to choose the coefficients that wil

l balance the chemical equation.
( )Fe + ( )O2 → ( )Fe2O3
Chemistry
2 answers:
Nina [5.8K]3 years ago
6 0

<u>Answer:</u> The balanced chemical equation is 4Fe(s)+3O_2(g)\rightarrow 2Fe_2O_3(s)

<u>Explanation:</u>

Rust is reddish-brown coating on iron metal which is formed when iron comes in contact with air and moisture to form ferric oxide. The chemical formula for trust is Fe_2O_3 and chemical name is ferric oxide.

The balanced chemical equation for the formation of rust follows:

4Fe(s)+3O_2(g)\rightarrow 2Fe_2O_3(s)

By Stoichiometry of the reaction:

4 moles of iron metal reacts with 3 moles of oxygen gas to produce 2 moles of ferric oxide.

Hence, the coefficients are 4, 3 and 2.

olchik [2.2K]3 years ago
3 0

4Fe + 3O2 → 2Fe2O3 <or> The chemical formula for rust is Fe2O3. Rust is formed when iron reacts with oxygen in moist air. The following chemical equation represents the reaction: 4Fe + 3O2 → 2Fe2O3. Water is necessary for the oxidation reaction to occur and to facilitate transport of the electrons.

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