The reversible reaction can move in both directions and represents by double headed arrow 'Leftrightarrow '. For balancing the chemical equation, we have to place coefficients in front of formulas to insure the same number of atoms on both sides of arrows. The physical state of reactant and product molecules is written in parenthesis as (s) for solid, (l) for liquid, (g) for gas and (aq) for aqueous for solution. The conversion of reactant to product represents by a single headed arrow?' directed from reactant to product. Common Ion Effect and Buffers. Writing Equations for Chemical Reactions. Oxidation-Reduction Equations and Net Ionic Equations. I have passed Biology, Natural Science, Information Technology, Humanities with the help of your guides.
Tedious step) 10. On line 2. Now you can balance the Molecular reaction (keep yourself from balancing the reaction until the 2 reactions are finished.) 11. On line 3.You have to add coefficients to the ions and the compounds using the reaction form line 2.