1. Writing and Balancing Equations
Review of Ch 9 & 11
Writing and Balancing Equations

2. Writing Formulas Magnesium sulfide Sodium phosphate Barium hydroxide
Copper (II) nitrite
Trihydrogen bromide
Calcium carbonate
Hexafluoride pentanitride
Iron (III) sulfate
MgS
Na3PO4
Ba(OH)2
Cu(NO2)2
H3Br
CaCO3
F6N5
Fe2(SO4)3

3. Naming NaClO3 Hg2Br2 K2CrO4 HClO4 SnO2 Fe(C2H3O2)3 Ca(OH)2
Sodium chlorite
Mercury (I) bromide
Potassium chromate
Hydrogen chlorate
Tin (IV) oxide
Iron (III) acetate
Calcium hydroxide

4. Balance PbO2  PbO + O2 2PbO2 2PbO + O2 Fe(OH)3  Fe2O3 + H2O
(NH4)2CO3 NH3 + H2O + CO2
NaCl + H2SO4  Na2SO4 + HCl
2PbO2 2PbO + O2
2Fe(OH)3  Fe2O3 + 3H2O
(NH4)2CO3 2NH3 + H2O + CO2
2NaCl + H2SO4  Na2SO4 + 2HCl

5. Type? Hf + N2  Hf3N4 Mg + H2SO4  MgSO4 + H2 C2H6 + O2  CO2 + H2O
Pb(NO3)2 + NaI  PbI2 + NaNO3
Fe + O2  Fe3O4

6. Write a Complete Chemical Equation
1. Bubbling chlorine gas through a solution of potassium iodide give elemental iodine and a solution of potassium chloride.
2. Solid tetraphosphorus decoxide reacts with water to produce phosphoric acid.

7. Predict the Products C3H8 reacts with oxygen
2. Copper reacts with aqueous silver nitrate
3. Aluminum reacts with bromine
4. Lead (II) nitrate reacts with potassium iodide

8. Predict the Products C3H8 + 5O2  3CO2 + 4H2O
C3H8 reacts with oxygen
2. Copper (II) reacts with aqueous silver nitrate
3. Aluminum reacts with bromine
4. Lead (II) nitrate reacts with potassium iodide
C3H8 + 5O2  3CO2 + 4H2O
Cu + 2AgNO3  Cu(NO3)2 + 2Ag
2Al + 3Br2  2AlBr3
Pb(NO3)2 + KI  KNO3 + PbI2