Use the chemical reaction to answer the question
4Fe + 3O2 -- 2Fe2O3
what happens to atoms of Fe and O2 during the reaction?
During the reaction, the atoms of Fe and O2 combine to form molecules of Fe2O3.
4 atoms of Fe combine with 3 molecules of O2 to produce 2 molecules of Fe2O3.
do they gain mass?
No, the atoms of Fe and O2 do not gain mass during the reaction. According to the law of conservation of mass, mass is neither created nor destroyed in a chemical reaction. The total mass of the reactants (Fe and O2) will be equal to the total mass of the products (Fe2O3).
They are rearranged??
Yes, you are correct. In a chemical reaction, atoms are rearranged to form new molecules and compounds. In the given reaction, the atoms of Fe and O2 are rearranged to form molecules of Fe2O3. The four atoms of Fe combine with three molecules of O2 to form two molecules of Fe2O3. The arrangement of atoms changes from Fe + O2 to Fe2O3.
In the chemical reaction 4Fe + 3O2 -> 2Fe2O3, the atoms of Fe and O2 undergo changes. Let's break it down step-by-step:
1. At the beginning of the reaction, we have 4 atoms of Fe (iron) and 3 molecules of O2 (oxygen gas).
2. During the reaction, each molecule of O2 splits into two atoms of oxygen (O). So, 3 molecules of O2 give us a total of 6 atoms of oxygen (3 x 2 = 6).
3. As a result, we now have 4 atoms of Fe (iron) and 6 atoms of O (oxygen).
4. Finally, these atoms rearrange to form 2 molecules of Fe2O3 (iron(III) oxide or rust). Each molecule of Fe2O3 contains 2 atoms of Fe and 3 atoms of O. So, in total, we end up with 4 atoms of Fe and 6 atoms of O in the product Fe2O3.
Therefore, during the reaction, the atoms of Fe and O2 are transformed into Fe2O3, with the rearrangement of atoms and the formation of new chemical bonds.
In the given chemical reaction 4Fe + 3O2 -> 2Fe2O3, iron (Fe) reacts with oxygen (O2) to form iron(III) oxide (Fe2O3). Now, let's look at what happens to the atoms of Fe and O2 during the reaction.
On the reactant side, we have 4 atoms of Fe and 3 molecules of O2, which means there are a total of 3 x 2 = 6 atoms of O in the O2 molecules.
On the product side, we have 2 molecules of Fe2O3, which means there are a total of 2 x 2 = 4 atoms of Fe and 2 x 3 = 6 atoms of O.
So, in the reaction, the number of atoms of Fe remains the same before and after the reaction (4 atoms on both sides). However, the number of atoms of O changed during the reaction. Initially, we had 6 atoms of O in the form of O2 molecules, and after the reaction, we still have 6 atoms of O but in the form of Fe2O3.
To summarize, the atoms of Fe remain unchanged in number from reactants to products, while the atoms of O combine with Fe to form Fe2O3 and the overall number of O atoms remains the same.