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Chemistry Week 22

Chemistry Week 22. Please get out your homework!. February 15, 2013. AGENDA: 1 – Bell Ringer & Agenda 2 – Check HW 3 – CN: Predicting Products of Chemical Reactions and Solubility 4 – Work Time / Quiz Results 5 – Passback Work. Today’s Goal:

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Chemistry Week 22

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  1. Chemistry Week 22 Please get out your homework!

  2. February 15, 2013 AGENDA: 1 – Bell Ringer & Agenda 2 – Check HW 3 – CN: Predicting Products of Chemical Reactions and Solubility 4 – Work Time / Quiz Results 5 – Passback Work Today’s Goal: Students will be able to predict products of chemical reactions and predict if products are soluble. Homework • Complete Classwork and Homework – due by Monday • Week 21 Work is due TODAY!! • If you missed Monday’s Quiz, makeup is today after school.

  3. Friday, February 15 Objective: Students will be able to predict products of chemical reactions and predict if products are soluble. Bell Ringer: What type of reaction in taking place below: a) C2H4 +O2 CO + H2O b) CuCl2+ H2S  CuS+ HCl c) F2 + LiBr Br2 + LiF

  4. 2MINUTES REMAINING…

  5. Friday, February 15 Objective: Students will be able to predict products of chemical reactions and predict if products are soluble. Bell Ringer: What type of reaction in taking place below: a) C2H4 +O2 CO + H2O b) CuCl2+ H2S  CuS+ HCl c) F2 + LiBr Br2 + LiF

  6. 1MINUTES REMAINING…

  7. Friday, February 15 Objective: Students will be able to predict products of chemical reactions and predict if products are soluble. Bell Ringer: What type of reaction in taking place below: a) C2H4 +O2 CO + H2O b) CuCl2+ H2S  CuS+ HCl c) F2 + LiBr Br2 + LiF

  8. 30 seconds Remaining…

  9. Friday, February 15 Objective: Students will be able to predict products of chemical reactions and predict if products are soluble. Bell Ringer: What type of reaction in taking place below: a) C2H4 +O2 CO + H2O b) CuCl2+ H2S  CuS+ HCl c) F2 + LiBr Br2 + LiF

  10. 10 seconds Remaining…

  11. BELL-RINGER TIME IS UP!

  12. February 15, 2013 AGENDA: 1 – Bell Ringer & Agenda 2 – Check HW 3 – CN: Predicting Products of Chemical Reactions and Solubility 4 – Work Time / Quiz Results 5 – Passback Work Today’s Goal: Students will be able to predict products of chemical reactions and predict if products are soluble. Homework • Complete Classwork and Homework – due by Monday • Week 21 Work is due TODAY!! • If you missed Monday’s Quiz, makeup is today after school.

  13. Friday, February 15 Objective: Students will be able to predict products of chemical reactions and predict if products are soluble. Bell Ringer: What type of reaction in taking place below: • C2H4 +O2 CO + H2O = Combustion • CuCl2+ H2S  CuS+ HCl = Double Replacement • F2 + LiBr Br2 + LiF= Single Replacement

  14. Independent Practice Check Answers 1. Double Replacement 2. Combustion 3. Decomposition 4. Synthesis 5. Double Replacement 6. Double Replacement 7. Combustion 8. Double Replacement 9. Physical Change 10. Decomposition

  15. Cornell Notes –Turn your notebook SIDEWAYS! • Obj: SWBAT Predict Products of Chemical Reactions and Solubility. • Date: 2/15/2013

  16. Obj: SWBAT Predict Products of Chemical Reactions and Solubility. What type of chemical reaction? Synthesis Decomposition Single Replacement Double Replacement Combustion Steps to Predict Products Steps to Predict Products Steps to Predict Products Steps to Predict Products Steps to Predict Products Example Example Example Example Example

  17. Obj: SWBAT Predict Products of Chemical Reactions and Solubility. What type of chemical reaction? Synthesis Decomposition Single Replacement Double Replacement Combustion Steps to Predict Products Steps to Predict Products Steps to Predict Products Steps to Predict Products Steps to Predict Products Example Example Example Example Example

  18. Cornell Notes (continued) What type of chemical reaction? Synthesis Steps to Predict Products Example

  19. Cornell Notes (continued) What type of chemical reaction? Synthesis Find the charge on elements Flip & Drop Mg + O2 Magnesium Oxide Mg+2 O-2 Mg2O2 MgO

  20. Cornell Notes (continued) What type of chemical reaction? Synthesis Decomposition Single Replacement Double Replacement Combustion Steps to Predict Products Steps to Predict Products Steps to Predict Products Steps to Predict Products Steps to Predict Products Example Example Example Example Example

  21. Cornell Notes (continued) What type of chemical reaction? Decomposition Steps to Predict Products Example

  22. Cornell Notes (continued) What type of chemical reaction? Decomposition Split into Elements Check for Diatomics Br2 H2 O2 N2 Cl2 I2 F2 “7 in the 7” “Brother Hon Cliff” H2O  H + O H2 + O2

  23. Cornell Notes (continued) What type of chemical reaction? Synthesis Decomposition Single Replacement Double Replacement Combustion Steps to Predict Products Steps to Predict Products Steps to Predict Products Steps to Predict Products Steps to Predict Products Example Example Example Example Example

  24. Cornell Notes (continued) What type of chemical reaction? Single Replacement Steps to Predict Products Example

  25. Cornell Notes (continued) What type of chemical reaction? Single Replacement Switch Elements of same type. Find Charges Flip & Drop Check for Diatomics Cu + AgNO3 Ag + Cu+2 NO3-1 Ag + Cu(NO3)2

  26. Cornell Notes (continued) What type of chemical reaction? Synthesis Decomposition Single Replacement Double Replacement Combustion Steps to Predict Products Steps to Predict Products Steps to Predict Products Steps to Predict Products Steps to Predict Products Example Example Example Example Example

  27. Cornell Notes (continued) What type of chemical reaction? Double Replacement Steps to Predict Products Example

  28. Cornell Notes (continued) What type of chemical reaction? Double Replacement Switch Cations Find Charges Flip & Drop  for Precipitate? Na3PO4+ BaCl2 Ba+2PO4-3+ Na+1 Cl-1 Barium phosphate is not soluble so a precipitate forms Ba3(PO4)2 (s) + NaCl(aq)

  29. Precipitates in Double Replacement Reactions • Many DR reactions occur in water- that is, in aqueous solution • When dissolved in water, many ionic compounds “dissociate”, or separate, into cations and anions • If the rearrangement of the ions forms a solid it iscalled a precipitate. • A precipitate is a solid produced during a chemical reaction in a solution.

  30. Example AgNO3 + NaCl AgCl + NaNO3 1. First, we separate the compounds into ions: Ag1+ + NO31- + Na1+ + Cl1- 2. Next we “switch” the cations 3. Last we determine if a precipitate will form using the solubility chart AgCl + Na1+ + NO31- Note that the AgCl did not ionize, because it is a “precipitate”

  31. Cornell Notes (continued) What type of chemical reaction? Synthesis Decomposition Single Replacement Double Replacement Combustion Steps to Predict Products Steps to Predict Products Steps to Predict Products Steps to Predict Products Steps to Predict Products Example Example Example Example Example

  32. Cornell Notes (continued) What type of chemical reaction? Combustion Steps to Predict Products Example

  33. Cornell Notes (continued) What type of chemical reaction? Combustion Product = CO2 + H2O CH4 + O2 CO2 + H2O

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