UK CHE 105

Reaction classifications
Ca2+ + CO32- -> CaCO3     Precipitation NH3 + H+ -> NH4+          Acid-Base Zn + 2HCl -> ZnCl2 + H2     Redox (H2 Displacment) Ca + F2 -> CaF2             Redox (Combination)

tag
function equ(eq) { var past = eq; // supertext do { past = eq; eq = eq.replace(/(.*[^>])\^([0-9]*[\+\-]?)([^<].*)?/, "$1$2$3"); } while (eq != past); // subtext do { past = eq; eq = eq.replace(/(.*[^>\^ ])([0-9]+)([^<].*)?/, "$1$2$3"); } while (eq != past); // pretext return eq; }