Asked by: Abdelfetah Mattew
science chemistry

What are atoms not during a chemical reaction?

Last Updated: 26th June, 2020

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Atoms are not CREATED or DESTROYED during a chemical reaction. Scientists know that there must be the SAME number of atoms on each SIDE of the EQUATION. To balance the chemical equation, you must add COEFFICIENTS in front of the chemical formulas in the equation. You cannot ADD or CHANGE subscripts!

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Keeping this in consideration, what happens to atoms in a chemical reaction?

In a chemical reaction, the atoms and molecules that interact with each other are called reactants. No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

Furthermore, do the number of atoms change in a chemical reaction? The Law of Conservation of Mass and Energy ("matter can neither be created nor destroyed") clearly states that a chemical change cannot alter the number of atoms in a given reaction. The atoms can only rearrange so that it can yield a new molecule/compound but the number of atoms should stay the same.

Considering this, what can a chemical reaction be represented by?

A chemical reaction is a rearrangement of atoms in which one or more compounds are changed into new compounds. All chemical reactions can be represented by equations and models. Anytime that atoms separate from each other and recombine into different combinations of atoms, we say a chemical reaction has occurred.

Why do we need chemical reactions?

Chemical reactions are how new forms of matter are made. While nuclear reactions also may produce new matter, nearly all the substances you encounter in daily life are the result of chemical changes. Chemical reactions help us understand the properties of matter.

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Method 1 Doing a Traditional Balance
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  3. Save hydrogen and oxygen for last, as they are often on both sides.
  4. Start with single elements.
  5. Use a coefficient to balance the single carbon atom.
  6. Balance the hydrogen atoms next.
  7. Balance the oxygen atoms.