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Sagot :
Answer:
The reactants are the substances that start the chemical reaction. The products are the substances that are produced in the chemical reaction
Explanation:
As you can probably guess, the term "reactants" are the chemicals or elements that react to one another. They mix and combine. The reactants are the start of the process while the products are the final result or the end of the process. With the "process" being the chemical reaction overall.
To help remember that product comes after reactant, you can think of "final product".
So reactants combine to form products.
The order can be written like this
[tex]\text{Reactants} \to \text{Products}[/tex]
For example, combining the hydrogen (H) and oxygen (O) will get us [tex]H_2O[/tex] which is water.
More technically, we'd write
[tex]2\text{H}_2 + 1\text{O}_2 \to 2\text{H}_2\text{O}[/tex]
The reactants here are the [tex]2\text{H}_2[/tex] (two copies of double hydrogen atoms) and [tex]\text{O}_2[/tex] (one copy of the double oxygen atoms).
The product in this example is [tex]2\text{H}_2\text{O}[/tex] (two copies of water molecules)
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As another example,
[tex]\text{NH}_3 \ + \ \text{HCl} \to \ \text{NH}_{4}\text{Cl}[/tex]
The two reactants here are
- [tex]\text{NH}_3 = \text{Ammonia}[/tex]
- [tex]\text{HCl} = \text{Hydrochloric Acid}[/tex]
and those reactants combine to form the product of
[tex]\text{NH}_{4}\text{Cl} = \text{Ammonium Chloride}[/tex]
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It's possible to have more than one product as this formula shows
[tex]\text{CH}_4 + \ 2\text{O}_2 \to \text{CO}_2 \ + \ 2\text{H}_2\text{O}[/tex]
Reactants are:
- [tex]\text{CH}_4 = \text{Methane}[/tex]
- [tex]2\text{O}_2 = \text{two groups of the double oxygens}[/tex]
Products are:
- [tex]\text{CO}_2 = \text{Carbon Dioxide}[/tex]
- [tex]\text{H}_2\text{O} = \text{Water}[/tex]
In some diagrams, you'll see heat/energy being included on either the reactant side or the product side. If you want to focus on just the chemical formula itself, then you can leave it out.
That formula shown at the top of this section effectively is saying "if you burn methane, then you'll get carbon dioxide and water". The process of burning usually involves oxygen.
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