1. Chemical Reactions By Mr Hem

2. Compound Ions Ammonium NH 4 1+ Hydrogen Carbonate NCO 3 1- Hydroxide OH 1- Nitrate NO 3 1- Carbonate CO 3 2- Sulfate SO 3 2- Phosphate PO 3 3- Wants to give one electron Wants to gain one electron What about the rest?

3. Chemical Formulas for Ionic Compounds Na 1+Cl 1- 1 + 1- = 0 NaCl Al 1+O 2- 2 x 1+ 2- 2+2- = 0 Al 2 O Boron 3+ Sulfide 2- 2 x 3+3 x 2- 6+6- = 0 B 2 S 3 2 x 3 x

4. Work (put in diary) 2.2 page 33 question 1 to 7 2.3 page 37 question 1 to 8

5. Chemical Equations Sodium Hydroxide + Hydrochloric Acid  Sodium Chloride + Water Na0H + HCl  NaCl + H 2 0 ReactantsProducts Reactant Ions Swap Partners They must be balanced – Due to law of conservation -Atoms cannot just appear or reappear!

6. The Famous Reaction Carbon Dioxide + Water  Oxygen Gas + Glucose Photosynthesis!!! C0 2 + H 2 0  0 2 + C 6 H 12 0 6 Needs to be balanced!!!! 666 c oo o hh oo

7. Another Example Propane C 3 H 8 + Oxygen Gas  Carbon Dioxide + Water

8. Another Example

9. More Equation

10. Your Equation Group #Members 1Potassium + Water  Potassium Hydroxide and Hydrogen Gas 2 Ammonia + Fluoride Gas  Dinitrogen tetrafluoride + Hydrogen Fluoride 3Magnesium + Oxygen Gas  Magnesium Oxide 4Carbon Dioxide + Water  Oxygen Gas + Glucose C 6 H 12 0 6 5Propane C 3 H 8 + Oxygen Gas  Carbon Dioxide + Water 6Methane CH 4 + Chloride Gas  Carbon Chloride + Hydrochloric Acid 7Aluminuim + Hydrochloric Acid  Aluminuim Chloride + Hydrogen Gas 8Magnesium + Hydrochloric Acid  Magnesium Chloride and Hydrogen Gas

11. Glucose c o c c cc c 0 h o h h h h o h o h h hh o h h

12. Finish 2.4 Questions 1 to 5 Then you are ready to do the project!