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Recyling and Chemistry

Recyling and Chemistry. A natural fit!. What is recycling?. When we recycle paper, plastic or aluminum, what does that mean?. Plastic is. Aluminum is. Reduce Reuse Recycle. 4 . Water Runs through the soil and forms aquifers, lakes and rivers. The World Recycles Too. 1. Water evaporates.

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Recyling and Chemistry

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  1. Recyling and Chemistry A natural fit!

  2. What is recycling?

  3. When we recycle paper, plastic or aluminum, what does that mean?

  4. Plastic is

  5. Aluminum is

  6. ReduceReuseRecycle

  7. 4. Water Runs through the soil and forms aquifers, lakes and rivers The World Recycles Too 1. Water evaporates 3. Rain, snow, sleet or hail falls 2. Clouds form

  8. Carbon Cycle

  9. Oxygen Cycle

  10. Chemistry Recycles Cl K NaCl KCl Na K A new compound Is created from the Atoms of the old ones

  11. The Law of Conservation of MassAtoms—matter can be rearranged

  12. But matter is neither created nor destroyed in a chemical reaction

  13. The Law of Conservation of EnergyEnergy can neither be created nor destroyed: it can only change form

  14. E = MC2 Mass/energy are neither created nor destroyed in a chemical reaction The Law of Conservation of Mass and Energy

  15. Chemical Reactions

  16. A Bologna Sandwich 2

  17. A Balanced Equation

  18. How to Balance a Chemical Reaction HCl + NaOH H2O + NaCl 2 H 1 Cl 1 Na 2 H 1 Cl 1 Na Already balanced!

  19. How To Balance H2SO4+Ca(OH)2 2H2O+ CaSO4 4 H 2 O 1 Ca 1 SO4 4 H 2 O 1 Ca 1 SO4 2 H 1 O 1 Ca 1 SO4 BALANCED!

  20. Now you try! C2H6 + O2 C H O CO2 + H2O C H O

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