1. Balancing Chemical Equations
Matter is neither created or destroyed in a chemical change

2. Laws In most of life, laws get broken “Speed Limit is 25mph”
People do go 26 though!

3. Natural Laws Scientific Laws do not have exceptions
Law: Conservation of mass / matter
Matter is neither created or destroyed in a chemical change

4. Zn + HCl --> ZnCl2 + H2 Am I balanced? Balance me on the board!
Zinc Hydrochloric Acid Zinc Chloride Hydrogen Gas
Zn + HCl --> ZnCl2 + H2
Am I balanced?
Balance me on the board!

5. H2 + O2--> H2O Am I balanced? Balance me on the board!
Hydrogen Gas Oxygen Gas Steam
H2 + O2--> H2O
Am I balanced?
Balance me on the board!

6. water as fuel for vehicles?
Water Hydrogen Oxygen
H2O --> H2 + O2
Am I balanced?
water as fuel for vehicles?
Balance me on the board!

7. Yes!!! Am I balanced? NaHCO3 + HC2H3O2 --> CO2 + H2O + NaC2H3O2
Baking Soda Vinegar Carbon Diox, water, white solid
NaHCO3 + HC2H3O2 --> CO2 + H2O + NaC2H3O2
Am I balanced?
Yes!!!

8. Work in your groups I think this is hard. Balance: Fe + S --> FeS
H2 + Cl2 --> HCl
I think I get this. Balance:
Ca + H20 --> Ca(OH)2 + H2
C2H6 + O2 --> CO2 + H2O