What Is A Balanced Chemical Equation Review

). These tell you how many atoms of that element are in a single molecule. when balancing, or you'll change the substance itself.

This is because you have two oxygen atoms on the left but only one on the right. To fix it, we add coefficients: what is a balanced chemical equation

Now, there are 4 Hydrogen atoms and 2 Oxygen atoms on both sides. The "account books" are closed, and the mass is conserved! 3 Steps to Balance Any Equation we add coefficients: Now