For all you chemistry majors or professors, this week’s app of the week is for you! Named Chemical Reactions, this app is everything you could want for those learning the elements and chemical reactions. The app includes Mendeleev’s periodic table, the solubility table, and the calculator of molar masses. The app will find the equations of chemical reactions even if one side is unknown. Chemical Reactions is very helpful when dealing with organic and inorganic chemistry. The best part of this app? It’s completely free! Download it today and see what all the fuss is about!