what always happens during a chemical reaction
Composition of matter always changes
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What happens to the molecules of one reactant during a reaction?
The molecules of one reactant are combined with those of another reactant to form a new substance during a chemical reaction. As the chemical bonds are broken, the positions of electrons change, resulting in a product with properties that are different from the properties of the reactants.
What is a chemical reaction?
A chemical reaction is when the bonds are broken within reactant molecules, and new bonds are formed within product molecules to form a new substance. The chemical reaction releases heat energy it is called an exothermic reaction. If the chemical reaction absorbs energy it is called an endothermic reaction.
What happens to the elements present in the product of reaction?
In a chemical reaction, there is a change of electrons, but there is no change of nuclei. Therefore, the elements present in the product of the reaction are still the same as the elements in its original reactants. There are chemical reactions that take place spontaneously without the input of extra energy,…
What happens when atoms are broken in a chemical reaction?
According to the modern view of chemical reactions, bonds between atoms in the reactants must be broken, and the atoms or pieces of molecules are reassembled into products by forming new bonds.