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Review Day

Review Day. Agenda 20 min – going over homework 20 min – checking lab report 30 min – working on concept map and review sheet. Homework Check. 1. magnesium + zinc nitrate O: Mg R: Zn M: Mg (s) + Zn(NO 3 ) 2(aq)  Mg(NO 3 ) 2(aq) + Zn (s)

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Review Day

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  1. Review Day • Agenda • 20 min – going over homework • 20 min – checking lab report • 30 min – working on concept map and review sheet.

  2. Homework Check 1. magnesium + zinc nitrate O: Mg R: Zn M: Mg(s) + Zn(NO3)2(aq) Mg(NO3)2(aq) + Zn(s) CI: Mg(s) + Zn+2(aq) + 2 NO3-(aq) Mg+2(aq) + 2NO3-(aq) + Zn(s) NI: Mg(s) + Zn+2(aq) Mg+2(aq) + Zn(s)

  3. 2. fluorine + copper (I) chloride O: Cl R: F M: F2(g) + 2 CuCl(aq) 2 CuF(aq) + Cl2(g) CI: F2(g) + 2 Cu+(aq) + 2 Cl-(aq) 2 Cu+(aq) + 2 F-(aq) + Cl2(g) NI: F2(g) + 2 Cl-(aq) 2 F-(aq) + Cl2(g)

  4. 3. magnesium + silver chlorate O: Mg R: Ag M: Mg(s) + 2 AgClO3(aq) Mg(ClO3)2(aq) + 2 Ag(s) CI: Mg(s) + 2 Ag+(aq) + 2 ClO3-(aq) Mg+2(aq) + 2 ClO3-(aq) + 2 Ag(s) NI: Mg(s) + 2 Ag+(aq) Mg+2(aq) + 2 Ag(s)

  5. 4. lithium + magnesium nitrate O: Li R: Mg M: 2 Li(s) + Mg(NO3)2(aq) 2 LiNO3(aq) + Mg(s) CI: 2 Li(s) + Mg+2(aq) + 2 NO3-(aq) 2 Li+(aq) + 2 NO3-(aq) + Mg(s) NI: 2 Li(s) + Mg+2(aq) 2 Li+(aq) + Mg(s)

  6. 5. zinc + sulfuric acid O: Zn R: H M: Zn(s) + H2SO4(aq) ZnSO4(aq) + H2(g) CI: Zn(s) + 2H+1(aq) +SO4-2(aq) Zn+2(aq) + SO4-2(aq) + H2(g) NI: Zn(s) + 2H+1(aq) Zn+2(aq) + H2(g)

  7. 6. sodium + water O: Na R: H M: 2 Na(s) + 2 HOH(l) 2 NaOH(aq) + H2(g) CI: 2 Na(s) + 2 HOH(l) 2 Na+(aq) + 2 OH-(aq) + H2(g) NI: 2 Na(s) + 2 HOH(l) 2 Na+(aq) + 2 OH-(aq) + H2(g) Bit of a trick question since water is not aqueous then no ion can be omitted.

  8. Grading Lab Report • Make comments on the analysis made by the students in their lab report. • Use the rubric to determine a justified score. • Be through – 20 min

  9. Concept Map • Advantages? • Pattern • See big picture • See relationships • A picture is worth a thousand words

  10. Use map to complete RP II • Answers will be posted on wiki

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