This is a series of lectures in videos covering Chemistry topics taught in High Schools.

This video demonstrates how to balance reactions using coefficients.

This video explains how to add the coefficients of a balanced reaction up.

How to complete and balance a word equation, given the names of the substances in the reaction.

The Law Of Conservation Of Mass states that mass cannot be created or destroyed by physical or chemical change. Missing Mass problems are a great way to see how this works!

Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
problem and check your answer with the step-by-step explanations.

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