Is a changes which is reversible no new substance is made.
I think you mean physical. And it's when the appearance of something changes.
Physical Changes
what is marijuana physical changes
There are no physical changes. there are only chemical changes.
Reversible changes and physical changes are not exactly the same. Reversible changes can be undone and the original substance can be recovered, while physical changes alter the appearance or state of a substance without changing its chemical composition. Physical changes are usually reversible, but not all reversible changes are physical changes.
A physical property is a characteristic of a substance that can be observed or measured without changing its chemical identity. Changes in the state of matter, such as melting, freezing, or boiling, are examples of physical changes that involve alterations in physical properties like temperature, volume, and density. These changes do not affect the chemical composition of the substance, meaning it remains the same at a molecular level.
physical or chemical changes
No, moment of inertia cannot be negative as it is a physical quantity that represents an object's resistance to changes in its rotation. Negative values for moment of inertia do not have physical meaning.
Physical changes in a substance result in
Not all chemical changes are accompanied by a visible physical change. Most chemical changes however will be accompanied by a physical change.
its physical changes
Burning