Chemical equations typically use different symbols instead of the element. There is an arrow that points from the left side of the equation to the right to indicate that the precursor (reactant) the left hand reaction occurs, a new substance called product (product) on the right-hand side, so we can calculate from the equation, the chemical found that using a precursor, the product will be coming out? He rules from the mass, we need to make each side of the equation must have the same number of atoms and the charge. To balance the equation, which is called the note as follows: 1. try to balance that with the same amount of atoms on both sides are equal before. 2. in some cases the reaction is a group of atoms, groups. 3. using the coefficients (the numbers in front of atoms used.) Bal equation, helps to count the number of atoms on each side.
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