Asked by: Abdelfetah Mattew
science chemistry

What are atoms not during a chemical reaction?

Last Updated: 26th June, 2020

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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How do you know a chemical reaction has occurred?

Because you can't see this exchange of atoms, you must look for changes in physical properties to determine if a chemical reaction has occurred.
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  2. Temperature Changes.
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  4. Light Emission.
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What are the different kinds of chemical reactions?

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What is the basis of all chemical reactions?

The substance (or substances) initially involved in a chemical reaction are called reactants or reagents. Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which usually have properties different from the reactants.

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How do substances change after a chemical reaction?

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How do new substances form in a chemical reaction?

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What is a chemical reaction example?

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How do you tell if a chemical equation has no reaction?

Now simply put, if a double displacement reaction results in the formation of an INSOLUBLE compound, this compound will precipitate out of solution and a reaction will occur. If both of the products are SOLUBLE, no reaction will occur and all of the ions will remain in solution.

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What are the 7 types of chemical reactions?

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Why does mass decrease in a chemical reaction?

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Are molecules conserved in a chemical reaction?

The number of atoms is conserved during the reaction. However, you will also see that the number of molecules in the reactants and products are not the same. The number of molecules is not conserved during the reaction.

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Does mass change in a chemical reaction?

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What does the symbol in a chemical equation mean?

The symbol triangle in a chemical equation means. heat is supplied to the reaction.

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What do you mean by enzymes?

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Where do chemical reactions take place in an atom?

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How do you balance equations?

Method 1 Doing a Traditional Balance
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  2. Write down the number of atoms per element.
  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.