1. Worksheet #6 answers

2. Chapter 7 and 9 review sheet 1.SR aluminum & hydrochloric acid ------> hydrogen & aluminum chloride Al + 3HCl  3 / 2 H 2 + AlCl 3 2.DR silver nitrate & potassium chloride ----> potassium nitrate & silver chloride AgNO 3 + KCl  KNO 3 + AgCl 3.C iron(s) & oxygen(g) [an iron (III) compound is formed] ----> Iron III oxide 2Fe + 3 / 2 O 2  Fe 2 O 3 4.SR zinc (s) and sulfuric acid (aq) ------> zinc sulfate and hydrogen Zn + H 2 SO 4  ZnSO 4 + H 2

3. Chapter 7 and 9 review sheet 5.SR chlorine & magnesium iodide (aq) ------> magnesium chloride & iodine Cl 2 + MgI 2  MgCl 2 + I 2 6.C lithium (s) & bromine (I) ------> lithium bromide Li + ½ Br 2  LiBr 7.D iron (II) hydroxide (s) is heated ------> Iron II oxide & water Fe(OH) 2  FeO + H 2 O 8.SR copper (s) & zinc chloride (aq) ------> Zinc & copper chloride 2Cu + ZnCl 2  Zn + 2CuCl

4. Chapter 7 and 9 review sheet 9.DR magnesium hydroxide (aq) & phosphoric acid (aq) ------> magnesium phosphate & water 3Mg(OH) 2 + 2H 3 PO 4  Mg 3 (PO 4 ) 2 + 6H 2 O 10.C magnesium (s) & oxygen (g) ------> magnesium oxide Mg + ½ O 2  MgO 11. C hydrogen (g) & chlorine (g) ------> hydrochloric acid ½ H 2 + ½ Cl 2  HCl 12.DR aluminum sulfate (aq) & calcium phosphate (aq) ------> calcium sulfate & aluminum phosphate Al 2 (SO 4 ) 3 + Ca 3 (PO 4 ) 2  3CaSO 4 + 2AlPO 4