1. ENTRY TASK: JAN 15 FRIDAY Question: Finish & balance Al(OH) 3 + CuSO 4  You have 5 minutes TURN IN ENTRY TASKS!! MAYHAN

2. Agenda: Discuss Double Replacement ws HW: Pre-Lab Double Replacement Lab MAYHAN

3. Clear off Desk: Have out DD worksheet periodic table MAYHAN

4. DOUBLE DISPLACEMENT EQUATIONS Answers MAYHAN

5. ___KOH + ___H 3 PO 4  ___KNO 3 + ___H 2 CO 3  1. 2. Potassium hydroxide reacts with hydrogen phosphate to create potassium phosphate and water ___K 3 PO 4 + ___H 2 O 3 3 ___K 2 CO 3 + ___HNO 3 Potassium nitrate reacts with hydrogen carbonate to create potassium carbonate and hydrogen nitrate 2 2 MAYHAN

6. ___B 2 Br 6 + ___HNO 3  ___BF 3 + ___Li 2 SO 3  3. 4. ___B(NO 3 ) 3 + ___HBr Boron bromide reacts with hydrogen nitrate to create boron nitrate and hydrogen bromide 2 66 ___B 2 (SO 3 ) 3 + ___LiF Boron fluoride reacts with lithium sulfite to create boron sulfite and lithium fluoride 2 6 3 MAYHAN

7. ___SiCl 4 + ___H 2 O  ___VO + ___HCl  5. 6. ___SiO 2 + ___HCl Silicon chloride reacts with water to create silicon oxide and hydrogen chloride. 4 2 Vanadium II oxide reacts with hydrogen chloride to produce: ___VCl 2 + ___H 2 O Vanadium II chloride and water 2 MAYHAN

8. ___Hg(OH) 2 + ___H 3 PO 4  ___SiO 2 + ___HF  7. 8. Mercury II hydroxide reacts with hydrogen phosphate to produce: ___Hg 3 (PO 4 ) 2 +___H 2 O Mercury II phosphate and water 326 ___SiF 4 + ___H 2 O Silicon oxide reacts with hydrogen fluoride to yield: Silicon fluoride and water 2 4 MAYHAN

9. __(NH 4 ) 3 PO 4 + __Pb(NO 3 ) 4  ___Al(OH) 3 + ___ H 2 SO 4  10. 9. ___ Al 2 (SO 4 ) 3 + ___ H 2 O Aluminum hydroxide reacts with hydrogen sulfate to create: Aluminum sulfate and water 2 3 6 Ammonium phosphate reacts with Lead IV nitrate to make: ___Pb 3 (PO 4 ) 4 +___NH 4 NO 3 Lead IV phosphate and ammonium nitrate 4 12 3 MAYHAN

10. Double Replacement Lab MAYHAN