Answer:
/D/ either absorbs or releases energy
Explanation:
During a phase change energy is either absorbed or released.
A phase change is a reversible process which occurs when a substance changes is its state from one form to another.
Phase changes are used to delineate physical changes.
- A phase diagram provides a graphic representation of the change.
- The diagram can be 2 dimensional or 3 dimensional.
A physical exothermic process
You have 18 oxygen atoms on one side and (currently) have 6 oxygen atoms on the other.
You can add the coefficient 6 to equal this out!!
Hope this helps :)
