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Chemical Equations

A series of free High School Chemistry Video Lessons from Brightstorm.

Chemical Equation
A chemical equation shows the reactants and the products of a chemical reaction. Balancing chemical equations is necessary because the same atoms should be present before and after the reaction, just in different arrangements. A balanced chemical equation is useful in showing us the ratios of reactants and products.

Balancing Chemical Equations
Balancing chemical equations allows us to find the proper ratios of reactants and products within a chemical equation. In a balanced chemical equation, the same atoms are present on each side of the equation, but simply rearranged. A balanced chemical equation has the same number of atoms of each element on both reactant and product sides of the equation

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