Answer:
potential energy of an object depend on three factors. If an object has less mass,it will travel more distance, and Higher the mass of an object Distance tra
Explanation:
PH = -log10 [H+]. So anwer 2 pH
Example :

If you use the subscript (aq) (=aquaris) , this means that the substance is in a solution.
Subscripts:
-aq-this means that the substance is in a solution
-s-this means that the substance is a solid(or precipitate)
-l-this means that the substance is a liquid
-g-this means that the subtance is a gas
Explanation:
The geometric shape of this molecule is
D. tetrahedral
Hope it will help :)