1. The Volcano Experiment

2. Chemical Formula Represents a substance: – Ex: Water (H2O)

3. Chemical Equation Represents a chemical reaction. Volcano Reaction: H2CO3=H2O + CO2

4. Parts of a chemical equation H2CO3= H2O + CO2 Reactants: what you start with – Ex: Products: what you finish with, the new substance Ex:

5. Law of Conservation of Mass Mass cannot be created or destroyed, but it always remains the same in chemical reactions. H2CO3=H2O + CO2 – Is this equation balanced?

6. Homework Pg 379 #1-8