Which changes involve forming or breaking chemical bonds?
Responses
burning and melting
burning and melting
rusting and cutting
rusting and cutting
boiling and melting
boiling and melting
burning and digesting
The changes that involve forming or breaking chemical bonds are burning, rusting, cutting, and digesting. Boiling and melting are physical changes, not chemical changes.
The changes that involve forming or breaking chemical bonds are:
- Burning: Combustion reactions involve the breaking of chemical bonds in the fuel and the formation of new bonds with oxygen.
- Rusting: Rusting is a chemical reaction that involves the formation of new chemical bonds between iron, oxygen, and water molecules.
- Cutting: Though cutting is a physical change, it can also involve breaking chemical bonds in certain materials, such as polymers.
- Digesting: Digestion is a complex process that involves the breaking down of food molecules into smaller organic compounds through various chemical reactions, which includes the breaking and formation of chemical bonds.