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Seats : period 3

Seats : period 3. Seats : period 10. Catalyst. 4 minutes!. Count the number of reactants and the number of products in each chemical reaction . Cuenta el numero de reactantes y el numero de productos en cada reaccion quimica . K + F  KF MgS  Mg + S

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Seats : period 3

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  1. Seats: period3

  2. Seats: period10

  3. Catalyst 4 minutes! Count the number of reactants and the number of products in each chemical reaction. Cuenta el numero de reactantes y el numero de productos en cadareaccionquimica. K + F  KF MgS  Mg + S 2H2 + O2 2H20 2NaCl  2Na + Cl2 CaBr2 Ca+ 2Br 4Al + 3O2  2Al2O3

  4. 100.Benjamins • 1: Raise a hand • 1: Exemplary answer in sentence • 1: Exemplary answer with thought • 1: Demonstrate “North Star” traits • 3: 100% seated before the bell • 3: “Ready for your attention” • 3: Lab /activity clean up • 5: 100% on task during practice • 5: 80% exit ticket average Video Clip on Friday!

  5. 100.Benjamins love it or hate it! hot seat ! head phones ! hot seat ! music ! hot seat ! head phones ! head phones !

  6. HW Shout Out! • Period 8 • NO NAME! • Zing Bawi • Christmas • Ma Ting • Zubaidah • Oma • Zing Nun • Kyaw • Ahmed • Friday • Jebril • BawiTha • Tha • Mu Kaw • TawkTling • Ahmed • Eh • Friday • Aws • Ahmad • Period 10 • Luis • Isaac • Martin • Period 3 • Mireya • Jason • Miguel • Darling • Glenda homework due TODAY!

  7. My Chemical Romance due TODAY! Unit 5: Chemical Reactions

  8. Objectives • Agenda • Catalyst 5 • Elephant Toothpaste 5 • S & D Intro 15 • Practice 10 • Sort 10 • Exit Ticket 5 • We are learning about… • the nature of chemical reactions • We will be successful when we can… • relate chemical reactions to the definition for chemical changes. Chemical change

  9. Chemical Reactions A chemical reaction is the change of a substance into a new substance which has a different chemical identity.

  10. Reactants • A substance used up during a chemical reaction • Example: Flour, sugar, oil, eggs • Leftside of the chemical reaction

  11. Products • A substance which forms as a result of a chemical reaction • Examples: Cake • Rightside of the chemical reaction

  12. What are the reactants& products? 2Fe+ O2 2FeO Iron + Oxygen  Iron Oxide (Rust) Reactants  Products + Oxygen 

  13. Black Snake Experiment Sugar + Sulfuric Acid  Carbon + Water http://www.youtube.com/watch?v=bJBPhpqQxs8 What are the reactants and products in this chemical reaction?

  14. Synthesis Two or more substances combine to form one new substance A + B  AB • Na + Cl2 NaCl • Pb + O2 Pb2O4

  15. Decomposition A substance breaks up into simpler substances AB  A + B • NaCl Na + Cl2 • Pb2O4  Pb + O2

  16. Quick Check! 2Fe+ O2 2FeO Is this reaction Synthesis or Decomposition? + Oxygen 

  17. 5 x 5 • There are 5 different types of chemical reactions. • This box contains 5 examples of each type of chemical reaction. • Decide which 5 reactions are the same type & organize them in 5 groups. • HiNtS: • Look at the reactants and products! • Look at how the elements in each compound move!

  18. Exit Ticket 4 minutes! 4 minutes! • You may use your assignments! • You must work quietly& independently. • Talking will NOT be tolerated. BIG goal = 80% 0

  19. Turn it in  homework due TODAY!

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