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Where in a substance is chemical energy stored?
Chemical energy is stored in the bonds between atoms and molecules within a substance. When these bonds are broken through a chemical reaction, the stored energy is released.
What happens to the atoms that make up a substance during chemical reactions?
These atoms form new substances where atoms are associated by chemical bonds.
Why do substance undergo change in physical state?
Its because of the bonds between molecules or atoms breakng or forming. For instance when a solid is formed bonds are made between the molecules of the substance creating a rigid structure, if these bonds were broken then the substance would be able to flow like a liquid.
Can you break chemical bonds between atoms?
Yes you can break the bonds between atoms and after they are broken they can also reform themselfs.
What is formed or broken in a chemical reaction?
Some bonds between atoms are broken and new bonds are formed.
What structures break in reactants?
In a chemical reaction, bonds between atoms are broken in reactant molecules. These bonds can be covalent or ionic bonds, which hold the atoms together in the reactant molecules. When these bonds are broken, new bonds can form between atoms, leading to the formation of products.
Energy stored in the atoms and molecules of a substance is?
potential energy. This energy is stored in the form of chemical bonds between the atoms and molecules of a substance. When these bonds are broken or rearranged, this potential energy can be released as heat or used to do work.
What happens to the bonds between atoms in a substance that undergoes a chemical reaction?
At least one electron from one of the atoms is transferred from an orbital where it occurs in a single atom to either an orbital in one of the other atoms, forming an ionic bond between the two atoms, or to a different orbital that can exist only under the influence of two atoms, forming a covalent bond between the two atoms. In the latter instance, but not the former, the atoms bonded can be atoms of the same element.
What are the bonds that are broken in the combustion of ethene?
In the combustion of ethene, the pi bonds between the carbon atoms in the double bond are broken first. This is followed by breaking the sigma bonds between the carbon and hydrogen atoms. Finally, the bonds between carbon and oxygen atoms in the formed carbon dioxide molecules are also broken.
What happens to the atoms of an object or a substance during a chemical reaction?
The atoms involved in a chemical reaction have their bonds broken, new bonds formed, or existing bonds rearranged depending on the reaction type.
When a substance is raised to its melting teperature what happens to the atom or molecules?
The inter-molecular bonds between the atoms/molecules are broken, releasing the atoms/molecules from a ridged structure to a freely moving mass.
How are atoms of a substance affected by a chemical change?
During a chemical change, atoms of a substance are rearranged into different molecules or compounds. Bonds between atoms are broken and new bonds are formed, leading to the creation of new substances with different properties than the original atoms. The number of atoms remains constant throughout the chemical reaction due to the law of conservation of mass.
