Chemspread PRO  3.3

Free Java Applet is a chemistry spreadsheet calculcator - balances virtually any chemical equation and follows up with stoichiometry calculations as well as equillibrium calculations. Percentage mass, titrations, ideal and non-ideal gases. Knows the periodic table and computes molecular weight of all entries. Partial pressures and Van der Waals equation. Tutorial has 26 examples to teach how to balance chemical equations. Free demo at mathshowcase.com