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.
<span>It is used for the separation of fluids, gas or liquid, based on density.
Hope this helps!</span>
1 ba+2 br——>1 babr2
u just have to make sure u have the same number of each type of atom on either side of the equation:)
Answer:
The percent composition of dichlorine heptoxide is 38.76% CI and 61.24% O
