Chemistry Mobile (ChemMobile) is an app designed to help chemistry students. It is perfect for any elementary chemistry courses.It has chemical calculator able to balance chemical equations of various difficulties. It also has a built in periodic table and can perform stoichiometry. Chemistry students might also find the list of formulas and polyatomic ions useful. Finally, it has has a formula evaluator for the gas laws, and a molar mass calculator, with useful conversions.-Balance chemical equations-Perform stoichiometric calculations-Evaluate gas laws-Periodic Table-Chart of Polyatomic ions-Activity series-Molar Mass Calculator-List of formulas-Solubility Rules