Answer:
When two atoms are very far apart, the potential energy approaches zero.
It is an example of physical change. The molecules are not changing, so it is not chemical, and a physical property is something that a physical thing has.
Uncertainty of the data hope its help you
Answer:When a substance undergoes a chemical change some of the chemical changes can be reversed with a chemical change.
Explanation:
A chemical change changes all of the element but some chemical changes but very few can be changed back to its original substance only with a chemical change.
near what like open flames? if so false unless it clarifies the solution requires alcohol then its a no go
