Chemical change.
The energy stored in compounds and released in reactions is chemical energy. It is released when chemical bonds are broken during a reaction, resulting in the formation of new compounds.
A chemical change is one that creates compounds (products) that are different from the reactants. A physical change only alters the form or phase of the existing substances, not their chemical properties.
Depending on what kind of race, the tires get worn quickly during the race.
They are chemical compounds
positive
They have nothing
Sodium
For example, ionic compounds: inorganic acids, salts, bases; many organic compounds, etc.
This loss of heat is considered a physical change.
The entire range of chemical compounds available in the universe
No, the other way around. Kind of. Elements are made of compounds of atoms.
For example thermal energy.