Answer:
Here is the balanced equation:
4Al + 3 O2 → 2Al2O3.
Explanation:
The equation shows an oxidation-reduction process. To balance the no. of atoms of oxygen, we have to count the number of oxygen atoms in the product.
Now let's come towards reactants:
We see that two oxygen atoms are present in O2 form, if we add 3 behind O2, the total number of O atoms will become. Since, Al atoms are already balanced we do not need to balance those. Hence, adding just 3 behind O2 will balance the equation completely.
Hope it helps! :)
3 oxygen molecule are required to form 2 Aluminium oxide.
An equation is balanced when the number of atom in both the side is equal.
The given reaction is,
[tex]\rm \bold{4Al + xO_2 \rightarrow 2Al_2O_3}[/tex]
We can see there are 6 oxygen atom in product while only 2 oxygen atom on reactant side.
So,
[tex]\rm \bold{ x \times 2 = 6}\\\\\rm \bold{ x = \frac{6}{2} }\\\\\rm \bold{ x = 3}[/tex]
Hence, we can conclude that 3 oxygen molecule are required to form 2 Aluminium oxide.
To know more about chemical equation, refer to the link:
https://brainly.com/question/12271256?referrer=searchResults
