The values of a, b, c and d required to balance the chemical equation are:
Chemical equations are representations of chemical reactions using symbols and formula of the reactants and products.
The reactants are located on the left side while the products are located on the right side.
Reactants —> Products
The balancing of chemical equations follows the law of conservation of matter which states that matter can neither be created nor destroyed during a chemical reaction but can be transferred from one form to another.
aAl + bFe₂O₃ —> cAl₂O₃ + dFe
Al + Fe₂O₃ —> Al₂O₃ + Fe
There are 2 atoms of Al on the right side and 1 on the left. It can be balanced by writing 2 before Al as shown below
2Al + Fe₂O₃ —> Al₂O₃ + Fe
There are 2 atoms of Fe on the left side and 1 on the right. It can be balanced by writing 2 before Fe as shown below
2Al + Fe₂O₃ —> Al₂O₃ + 2Fe
Now, the equation is balanced.
2Al + Fe₂O₃ —> Al₂O₃ + 2Fe
aAl + bFe₂O₃ —> cAl₂O₃ + dFe
Comparing both equations, the value of a, b, c and d are
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