yes
Yes
Chemical changes are most often reffered to as chemical reactions and are represented by chemical equations.
Hydrogen peroxide is a chemical compound also called H2O2.
This is true.
Potential energy
Yes. Since there can be no change without a reaction.
Potassium, also called kalium has the chemical symbol K.
Multiple chemical sensitivity
Environmental illness
Cells need water to dissolve many of the chemical components of the cell. They need to have a precise range of concentration in order to function properly. They also need water in chemical reactions called hydrolysis reactions. In these reactions, chemical compounds are broken down by the addition of water.
cytokinin
If you mean epsom salt, the chemical formula is MgSO4, also called magnesium sulfate.