what does a chemical change do

Best answer

Rearrangement of atoms

People also ask

  • What is chemical change in chemistry?

  • Chemical Change. 1. Explanation. In a physical change, the molecules are rearranged while their actual composition remains same. In a chemical change, the molecular composition of a substance completely changes and a new substance is formed. 2. Example. Some example of physical change are freezing of water, melting of wax, boiling of water, etc.

  • What changes in energy are always accompanied by chemical changes?

  • Changes in energy are always accompanied by a particular chemical change or physical change. Many changes happen in a natural environment such as evaporation of water, condensation, rainfall, etc.

  • What is the difference between physical and chemical changes?

  • To put that another way, the atoms of a substance are rearranged when a chemical change takes place. In contrast to physical changes, chemical changes cannot usually be reversed, unless an equivalent chemical reaction takes place.

  • What are some examples of chemical changes in nature?

  • Signs Of Chemical Change Fireworks are examples of chemical changes. The light and heat produced are the results of chemical reactions that produce new compounds. Rust appearing on iron is an example of a chemical change. The rust is the result of iron oxide being created. Melting ice is an example of a physical change.

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